Sir Henry Percy 
       Born circa 1235 Alnwick, Northumberland 
       Died 29 August 1272 
       Buried Sallay Abbey 
       Married 8 September 1268 York 
       Eleanor de Warenne, daughter of John de Warren, Earl of 
       Warren and Surrey and Alix (Alfais) de Lusignan 
       Born 1251 Warren, Sussex 
       Died after 1282 
       Buried Sallay Abbey 
                 Children, Generation I 

       Generation I 
            1  John Percy 
               Born 1270 
               Died before 20 July 1293 

            2  Henry Percy 
               1st Baron Percy of Alnwick 
               Born circa 25 March 1272 Petworth, Sussex 
               Died 10 October 1314 Alnwick, Northumberland 
               Buried Fountaine Abbey 
               Married circa  June 1294 
               Lady Eleanor Fitzalan, daughter of Richard Fitzalan, 7th 
               Earl of Arundel and Alasia del Vasto 
               Born circa 1284 Arundel, Sussex 
               Died circa  July 1328 
               Buried Beverley 
                         Children, Generation II-1 

       II-1 (I-2) 
            1  Henry Percy 
               2nd Lord Percy of Alnwick 
               Born 6 February 1301 Alnwick 
               Died 27 February 1352 Warkworth 
               Buried Alnwick Abbey 
               Married 1314 
               Idonea de Clifford, daughter of Robert de Clifford, 1st 
               Baron Clifford and Maud de Clare 
               Born circa 1303 Clifford, Hereford 
               Died 24 August 1365 
               Buried Beverley Minster 
                         Children, Generation III-1

      III-1 (II-1-1) 
            1  Henry Percy 
               3rd Lord Percy of Alnwick 
               Died 17 June 1368 
               Married (1) 14 August 1334 
               Mary of Lancaster, daughter of Henry, 3rd Earl of Lancaster 
               and Leicester and Maud de Chaworth 
               Born circa 1321 
               Married (2) Joan de Oreby 
                         Children, Generation IV-1 

            2  Alianore Percy 
               Buried Dunmow Priory 
               Married John FitzWalter, 3rd Lord FitzWalter, son of Robert 
               FitzWalter, 2nd Lord FitzWalter and Joan Multon 
               Born 1316 
               Died 18 October 1361 
               Buried Dunmow Priory 

            3  Margaret Percy 
               Died 2 September 1375 Gyng, Essex 
               Married (1) Sir Robert d'Umframville 
               Married (2) before 25 May 1368 
               William de Ferrers, 4th Lord Ferrers of Groby, son of Henry 
               de Ferrers, 3rd Lord Ferrers of Groby and Isabel de Verdun 
               baptised 28 February 1333 Newbold Verdon, Leicester 
               Died 8 January 1371 Stebbing 

            4  Isabel Percy 
               Died before 25 May 1368 
               Married William Aton, 1st Baron Aton, son of Sir Gilbert 
               Aton, of West Ayton and NN 
               Born circa 1299 
               Died before  March 1389 

            5  Maud Percy 
               Born circa 1345 Alnwick, Northumberland 
               Died before 18 February 1379 
               Buried Durham Cathedral 
               Married 1364 
               John Nevill, 3rd Lord Nevill of Raby, son of Ralph Nevill, 
               2nd Lord Nevill of Raby and Alice de Audley 
               Born circa 1331 Raby, Durham 
               Died 17 October 1388 Newcastle-upon-Tyne 

       IV-1 (III-1-1) 
        (1) 1  Henry Percy 
               1st Earl of Northumberland 
               4th Baron Percy of Alnwick 
               Born 10 November 1341 
               Died 29 February 1408 Bramham Moor (in battle) 
               Married (1) 12 July 1358 
               Margaret Nevill, daughter of Ralph Nevill, 2nd Lord Nevill 
               of Raby and Alice de Audley 
               Died 12 May 1372 
               Married (2) circa 15 December 1381 
               Maud de Lucy, daughter of Thomas de Lucy and Margaret de 
               Multon 
               Died 18 December 1398 
                         Children, Generation V-1 

            2  Thomas Percy 
               Earl of Worcester 

        (2) 3  Mary Percy 
               Married John Ros, Lord Ros, of Hamlake 
               Died 17 June 1368 

        V-1 (IV-1-1) 
        (1) 1  Sir Ralph Percy 
               Married Philippa Strathbogie, daughter of David of 
               Strathbogie, Earl of Atholl and Elizabeth Ferrers 
                         S.P. 

            2  Sir Thomas Percy 
               Died circa 1388 in Spain 
               Married 1376 or 1377 
               Elizabeth de Strathbogie, daughter of David of Strathbogie, 
               Earl of Atholl and Elizabeth Ferrers 
                         Children, Generation VI-1

            3  Henry Percy "Hotspur" 
               Lord Percy 
               Born 20 May 1364 
               Died 21 July 1403 Shrewsbury (in battle) 
               Married circa 1 May 1380 
               Lady Elizabeth Mortimer, daughter of Edmund Mortimer, 3rd 
               Earl of March, Earl of Ulster and Philippa of Clarence 
               Born 12 February 1371 Usk 
               Died 20 April 1417 
                         Children, Generation VI-2

       VI-1 (V-1-2) 
            1  Sir Henry Percy, of Atholl 
               Died 25 October 1432 
                         Children, Generation VII-1

       VI-2 (V-1-3) 
            1  Henry Percy 
               2nd Earl of Northumberland 
               Born 3 February 1393 
               Died 22 May 1455 St.Albans (in battle) 
               Married circa  October 1414 Berwick 
               Lady Eleanor Nevill, daughter of Ralph Nevill, 1st Earl of 
               Westmoreland and Joan Beaufort 
               Died 1463 
                         Children, Generation VII-2 

            2  Lady Elizabeth Percy 
               Died 26 October 1437 
               Married (1) 1403 / 1412 
               John Clifford, 7th Lord Clifford, son of Thomas de 
               Clifford, 6th Lord Clifford, Sheriff of Westmorland and 
               Elizabeth de Ros 
               Born circa 1388 
               Died 13 March 1422 Meaux (in battle) 
               Married (2) after 20 July 1426 
               Ralph Nevill, 2nd Earl of Westmorland, son of Sir John 
               Nevill and Lady Elizabeth de Holand 
               Born 17 September 1406 (or 22 September 1409) 
               Died 3 November 1484 

      VII-1 (VI-1-1) 
            1  Margaret Percy 
               Died September 1464 
               Married (1) before 5 May 1434 
               Henry Grey, 6th Lord Grey of Codnor, son of Richard de 
               Grey, 4th Lord Grey of Codnor and Elizabeth Basset 
               Born circa 1405 
               Died 17 July 1444 
               Married (2) Sir Richard de Vere, son of John de Vere, 12th 
               Earl of Oxford and Elizabeth Howard 

      VII-2 (VI-2-1) 
            1  Henry Percy 
               Died young 

            2  John Percy 
               Born 8 July 1418 
               Died young 

            3  John Percy 

            4  Joan Percy 
               Nun 

            5  Henry Percy 
               3rd Earl of Northumberland 
               Baron Poynings 
               Born 25 July 1421 Leconfield 
               Died 29 March 1461 Towton (in battle) 
               Married circa 25 June 1435 
               Eleanor Poynings, daughter of Sir Richard de Poynings and 
               Eleanor Berkeley 
               Born circa 1422 
               Died circa  February 1483 
                         Children, Generation VIII-1

            6  Thomas Percy 
               1st Baron Egremont 
               Born 29 November 1422 
               Died 10 July 1460 Northampton (in battle) 
               Married NN 
                         Children, Generation VIII-2 

            7  Lady Catherine Percy 
               Born 18 May 1423 Leconfield 
               Married before  January 1459 
               Edmund Grey, 1st Earl of Kent, 4th Baron Grey of Ruthyn, 
               son of Sir John Grey and Lady Constance Holand 
               Born 26 October 1416 
               Died circa 22 June 1490 

            8  George Percy 
               Born 27 June 1424 Leconfield (born St.Sampson's day) 

            9  Sir Ralph Percy 
               Died 25 April 1464 
               Married Eleanor Acton, daughter of Lawrence Acton 
                         Children, Generation VIII-3 

            10 Sir Richard Percy 
               Born circa 1426 /1427 
               Died 29 March 1461 Towton (in battle) 
               Married after 1453 
               Catherine Nevill 
                         S.P. 

            11 William Percy 
               Chancellor 
               Born 7 April 1428 Leconfield 
               Died 1462 

            12 Lady Anne Percy 
               Born 3 February 1444 ? Dagenham, Essex (?)
               Died 5 July 1522 London 
               Married (1) before 16 October 1460 
               Sir Thomas Hungerford, son of Robert Hungerford, 3rd Lord 
               Hungerford and Eleanor Moleyns 
               Born 1442 
               Died 17 January 1469 
               Married (2) circa 1473 
               Sir Laurence Rainsford 
               Married (3) circa 1383 
               Sir Hugh Vaughan 

     VIII-1 (VII-2-5) 
            1  Henry Percy 
               4th Earl of Northumberland 
               Born circa 1449 
               Died 28 April 1489 Cock Lodge nr Topcliffe 
               Married circa 1476 
               Lady Maud Herbert, daughter of Sir William de Herbert, 1st 
               Earl of Pembroke and Anne Devereux
               Died before 27 July 1485 
               Buried Beverley Minster 
                         Children, Generation IX-1 

            2  Lady Margaret Percy 
               Married Sir William Gascoigne, of Gawthorpe, son of Sir 
               William Gascoigne, of Gawthorpe and Joane Nevill, of 
               Oversley 
               Died 4 March 1487 

            3  Lady Eleanor Percy 

            4  Lady Elizabeth Percy 
               mentioned 20 May 1512 
               Buried Wensley, co York 
               Married Henry Scrope, 6th Lord Scrope of Bolton, son of 
               John Scrope, 5th Lord Scrope of Bolton and Joane FitzHugh 
               Born circa 1468 
               Died 1506 

            5  Ralph Percy 

     VIII-2 (VII-2-6) 
            1  John Percy 
               2nd Lord Egremont 
               Born circa 1459 
               Died before 21 March 1497 

     VIII-3 (VII-2-9) 
            1  Margaret Percy 
               Married Sir Ralph Harbottle, of Beamish, son of Bertram 
               Harbottle, of Horton and Joan Lumley 
               Born circa 1453 
               Died 1 June 1505 (circa 1507 ?) 

            2  Sir Henry Percy 
               Married NN 
                         Children, Generation IX-2 

       IX-1 (VIII-1-1) 
            1  Henry Algernon Percy 
               5th Earl of Northumberland 
               Born 14 January 1478 
               Died 19 May 1527 
               Buried Beverley 
               Married before 1502 
               Catherine Spencer, daughter of Sir Robert Spencer, of 
               Spencercombe and Eleanor Beaufort 
               Born 1477 
               Died 1542 
               Buried 19 October 1542 Beverley 
                         Children, Generation X-1 

            2  Lady Eleanor Percy 
               Died 13 February 1530 
               Buried London, Greyfriars 
               Married 14 December 1490 * 
               Edward Stafford, 3rd Duke of Buckingham, son of Henry 
               Stafford, 2nd Duke of Buckingham and Catherine Widville 
               Born 3 February 1478 
               Died 17 May 1521 Tower Hill (beheaded) 

            3  Sir William Percy 
               Died 1536 / 19 Sept.1540 
               Married before 1516 
               Agnes Constable, daughter of Sir Marmaduke Constable, of 
               Flamborough and Joyce Stafford 
                         S.P. 

            4  Alan Percy 
               Died May 1560 

            5  Jocelyn Percy 

            6  Lady Anne Percy 
               Born before 27 July 1485 
               Died 1552 
               Married 15 February 1511 
               William Fitzalan, 17th Earl of Arundel, son of Thomas 
               Fitzalan, 16th Earl of Arundel and Margaret Widville 
               Born circa 1476 
               Died 23 January 1544 

            7  Lady Elizabeth Percy 

       IX-2 (VIII-3-2) 
            1  Marjery Percy 
               Married Sir Henry Widdrington, of Widdrington, son of Sir 
               Ralph Widdrington and Felicia Claxton 
               Died 26 August 1518 

        X-1 (IX-1-1) 
            1  Henry Algernon Percy 
               6th Earl of Northumberland 
               Born circa 1502 
               Died 30 June 1537 Hackney, Midx. 
               Married circa  January 1524 
               Lady Mary Talbot, daughter of George Talbot, 4th Earl of 
               Shrewsbury, Earl of Waterford and Lady Anne Hastings 
               Died 16 April 1572 / 6 June 1572 
                         S.P. 

            2  Sir Thomas Percy 
               Died 2 June 1537 Tyburn (executed) 
               Married Eleanor Harbottle, daughter of Sir Guiscard 
               Harbottle, of Beamish and Jane Willoughby, of Wollaton 
               Died 1567 
                         Children, Generation XI-1 

            3  Sir Ingelram Percy 
               Child by NN 
                         Children, Generation XI-2

            4  Lady Margaret Percy 
               Buried 25 November 1540 Skipton 
               Married circa 1516 
               Henry Clifford, 1st Earl of Cumberland, 11th Lord de 
               Clifford, son of Henry Clifford, 10th Lord Clifford "the 
               Shepherd Lord" and Anne St.John 
               Born 1493 
               Died 22 April 1542 
               Buried Skipton 

            5  Lady Maud Percy 

       XI-1 (X-1-2) 
            1  Thomas Percy 
               7th Earl of Northumberland 
               Born 1528 
               Died 22 August 1572 York (beheaded) 
               Married 12 June 1558 
               Lady Anne Somerset, daughter of Henry Somerset, 2nd Earl of 
               Worcester and Elizabeth Browne 
               Died circa 8 September 1591 Namur 
                         Children, Generation XII-1 

            2  Mary Percy 
               Born 1532 
               Died 1598 
               Married Sir Francis Slingsby 
               Died 1600 

            3  Henry Percy 
               8th Earl of Northumberland 
               Born circa 1532 
               Died 21 June 1585 Tower of London (shot) 
               Married before 28 January 1562 
               Catherine Nevill, daughter of John Nevill, 4th Lord Latimer 
               and Lady Lucy Somerset 
               Died 28 October 1596 
               Buried Westminster Abbey 
                         Children, Generation XII-2 

            4  Catherine Percy 
               Married Ralph Rethers 

            5  Joan Percy 
               Married Arthur Harris, of Prittlewell 

       XI-2 (X-1-3) 
            1  Isabel Percy 
               Married 7 July 1543 * 
               Henry Tempest, of Broughton 
 

      XII-1 (XI-1-1) 
            1  Thomas Percy 
               Died 1560 

            2  Lady Elizabeth Percy 
               Married Richard Woodroffe 

            3  Lady Lucy Percy 
               Married Sir Edward Stanley, of Tong Castle, son of Sir 
               Thomas Stanley, of Winwick and Margaret Vernon 

            4  Lady Joan Percy 
               Married Lord Henry Seymour, son of Edward Seymour, 1st Duke 
               of Somerset and Anne Stanhope 
                         S.P. 

            5  Lady Mary Percy 

      XII-2 (XI-1-3) 
            1  Henry Percy 
               9th Earl of Northumberland 
               Born before 27 April 1564 Tynemouth Castle 
               Died 5 November 1632 
               Buried Petworth 
               Married 1594 
               Lady Dorothy Devereux, daughter of Walter Devereux, 1st 
               Earl of Essex, 2nd Viscount Hereford and Lettice Knollys 
               Died 3 August 1619 
               Buried Petworth 
                         Children, Generation XIII-1 

            2  Hon. Thomas Percy 
               Died 1648 

            3  Hon. William Percy 

            4  Sir Charles Percy 
               Died 1628 

            5  Hon. Richard Percy 
               Died 1648 Angers 

            6  Sir Alan Percy 
               Died 1613 
               Married 1608 
               Mary Fitz(ford), daughter of Sir John Fitz(ford) 
                         S.P. 

            7  Sir Joscelyne Percy 
               Died 1631 

            8  Hon. George Percy 

            9  Lady Anne Percy 

            10 Lady Lucy Percy 
               Married (1) Sir John Wotton 
               Married (2) Sir Hugh Owen 

            11 Lady Eleanor Percy 
               Died 24 December 1650 
               Buried Hackney, Midx. 
               Married before 1600 
               Sir William Herbert, 1st Baron Powis, son of Sir Edward 
               Herbert, of Powis Castle and Mary Stanley 
               Born circa 1572 
               Died 7 March 1655 
               Buried Hendon, Midx. 

     XIII-1 (XII-2-1) 
            1  Lady Dorothy Percy 
               baptised 20 August 1598 Petworth 
               Died 20 August 1659 
               Buried Penshurst, Kent 
               Married January 1615 
               Robert Sydney, 2nd Earl of Leicester, son of Robert Sydney, 
               of Penshurst, Kent, 1st Earl of Leicester and Barbara 
               Gamage 
               Born 1 December 1595 Baynard's Castle, London 
               Died 2 November 1677 Penshurst 

            2  Lady Lucy Percy 
               Born circa 1600 
               Died 5 November 1660 Little Cashiobury House 
               Married 6 November 1617 
               James Hay, 1st Earl of Carlisle, son of Sir James Hay, of 
               Kingask 
               Born circa 1580 
               Died 25 April 1636 Whitehall 
               Buried 6 May 1636 St.Paul's Cathedral 
                         S.P. 

            3  Algernon Percy 
               10th Earl of Northumberland 
               Born 29 September 1602 Essex House 
               Died 13 October 1668 
               Buried Petworth 
               Married (1) before 1630 
               Lady Anne Cecil, daughter of William Cecil, 2nd Earl of 
               Salisbury and Lady Catherine Howard 
               baptised 23 February 1612 Chapel Royal, Whitehall 
               Died 6 1637 London, Dorset House 
               Married (2) 1 October 1642 
               Lady Elizabeth Howard, daughter of Theophilus Howard, 2nd 
               Earl of Suffolk and Lady Elizabeth Home 
               Born circa 1623 
               Died 11 March 1705 Petworth 
                         Children, Generation XIV-1

            4  Henry Percy 
               Lord Percy of Alnwick 
               Born 1604 
               Died 26 March 1659 Paris 

      XIV-1 (XIII-1-3) 
        (1) 1  Lady Anne Percy 
               Born 19 December 1633 
               Died 29 November 1654 
               Buried Petworth 
               Married 21 June 1652 
               Philip Stanhope, 2nd Earl of Chesterfield, son of Henry
               Stanhope, Lord Stanhope and Katherine Wotton, Countess of 
               Chesterfield 
               Born 1634 
               Died 28 January 1714 London 
               Buried Shelford 
                         S.P. 

            2  Lady Elizabeth Percy 
               Born 1 December 1636 
               Died 5 February 1717 
               Buried Watford, Herts. 
               Married 19 May 1653 Petworth, Sussex 
               Arthur Capell, 1st Earl of Essex, son of Arthur Capell, 1st 
               Baron Capell and Elizabeth Morrison 
               Born 1632 
               Died 13 July 1683 Tower of London 
               (found with his throat cut) 

        (2) 3  Josceline Percy 
               11th Earl of Northumberland 
               Born 4 July 1644 
               Died 21 May 1670 Torino, Italy 
               Buried Petworth 
               Married 23 December 1662 
               Lady Elizabeth Wriothesley, daughter of Thomas Wriothesley, 
               4th Earl of Southampton and Lady Elizabeth Leigh 
               Died 19 September 1690 Boughton 
               Buried Warkton, co Northampton 
                         Children, Generation XV-1

       XV-1 (XIV-1-3) 
            1  Lady Elizabeth Percy 
               Born 26 January 1667 
               Died 23 November 1722 Northumberland House 
               Buried Salisbury Cathedral 
               Married (1) 27 March 1679 Isleworth, Midx. 
               Henry Cavendish-Percy, Earl of Ogle, son of Henry 
               Cavendish, 2nd Duke of Newcastle and Frances Pierrepont 
               Born circa 1662 
               Died 1 November 1680 London 
               Buried Petworth, Sussex 
               Married (2) 15 November 1681 
               Thomas Thynne, of Longleat, "Tom of Ten Thousand", son of 
               Sir Thomas Thynne, of Richmond and Stuarta Balquanquill 
               Born 1648 
               Died 12 February 1682 in Pall Mall, London (murdered) 
               Married (3) 30 May 1682 Montagu House 
               Charles Seymour "the Proud Duke", 6th Duke of Somerset, son 
               of Charles Seymour, 2nd Baron Seymour of Trowbridge and 
               Hon. Elizabeth Alington 
               Born 13 August 1662 Preshute 
               Died 2 December 1748 Petworth 
               Buried Salisbury Cathedral 

                                  Source Listing 
                                    -------------- 

           Stammtafeln zur Geschichte der 
           Europaeischen Staaten, 4 volumes, 
           Marburg, 1953, 1975. 
                           by W. K. Prinz von Isenburg 

           A Genealogical History of the dormant, 
           abeyant, forfeited and extinct peerages 
           of the British Empire, London, 1866 
                                  by Sir Bernard Burke 

           Burke's Guide to the Royal Family 
           London, 1973 

           Burke's Genealogical and Heraldic 
           History of the Peerage, Baronetage 
           and Knightage, London 

           Burke's Landed Gentry 

           The Complete Peerage 1936 
              by H.A.Doubleday & Lord Howard de Walden 

           The Lineage and Ancestry of 
           H.R.H. Prince Charles, Prince of Wales 
           Edinburgh, 1977. 
                                       by Gerald Paget 

           Cahiers de Saint Louis Magazine 
                    by Jacques Dupont, Jacques Saillot 

           The Ancestry of Elizabeth of York 1999 
                                       by Marlyn Lewis 

           The Plantagenet Roll of the Blood Royal 
           The Mortimer-Percy volume 
           London, 1911. 
                by The Marquis of Ruvigny and Raineval 

           The Plantagenet Encyclopedia 
           London, 1990. 
                   by Elizabeth Hallam, General Editor