The Descendants of 
Friedrich I, Elector of Brandenburg 
(generations 5 + 6 of 21 generations) 
 

        V-1 (IV-1-1)
        (1) 1  Johann Georg
               Elector of Brandenburg 1571-1598
               Born 11 September 1525
               Died 18 January 1598 Berlin
               Married (1) 15 February 1545 Berlin
               Duchess Sophie von Schlesien-Liegnitz, daughter of
               Friedrich II von Schlesien, Duke von Liegnitz & Wohlau and
               Markgraefin Sophie von Brandenburg-Ansbach
               Born circa 1525
               Died 6 February 1546 Berlin
               Married (2) 12 February 1548 Ansbach
               Markgraefin Sabine von Brandenburg-Ansbach, daughter of
               Georg, Markgraf von Brandenburg-Ansbach and Duchess Hedwig
               von Muensterberg
               Born 12 May 1529 Ansbach
               Died 2 November 1575 Berlin
               Married (3) 6 October 1577 Letzlingen
               Princess Elisabeth von Anhalt-Zerbst, daughter of Joachim
               Ernst, Fuerst von Anhalt-Zerbst und Dessau and Countess
               Agnes von Barby-Muehlingen
               Born 5 September 1563 Zerbst
               Died 5 October 1607 Krossen
                         Children, Generation VI-1

            2  Markgraefin Barbara von Brandenburg
               Born 10 August 1527
               Died 2 January 1595
               Married 15 February 1545
               Georg II von Schlesien, Duke von Liegnitz zu Brieg und
               Wohlau, son of Friedrich II von Schlesien, Duke von
               Liegnitz & Wohlau and Markgraefin Sophie von
               Brandenburg-Ansbach
               Born 18 July 1523
               Died 7 May 1586

            3  Markgraefin Elisabeth von Brandenburg
               Born 1528
               Died 20 August 1529

            4  Markgraf Friedrich von Brandenburg
               Archbishop of Magdeburg
               Born 12 December 1530 Berlin
               Died 2 October 1552 Halberstadt

            5  Markgraf Albrecht von Brandenburg
               Born 15 February 1532 Berlin
               Died 16 February 1532 Berlin

            6  Markgraf Georg von Brandenburg
               Born 15 February 1532 Berlin
               Died 15 February 1532 Berlin

            7  Markgraf Paul von Brandenburg
               Born 20 January 1534
               Died 28 January 1534

        (2) 8  Markgraefin Elisabeth Magdalene von Brandenburg
               Born 6 November 1537
               Died 22 August 1595
               Married 11 January 1559
               Franz Otto, Duke of Brunswick-Lueneburg, son of Ernst "the
               Confessor", Duke of Brunswick-Lueneburg and Duchess Sophie
               von Mecklenburg-Schwerin
               Born 20 June 1530
               Died 29 April 1559
                         S.P.

            9  Markgraf Siegmund von Brandenburg
               Archbishop of Magdeburg
               Born 2 December 1538
               Died 14 September 1566 Halle, Moritzburg
               Buried Halle Moritzkirche

            10 Markgraefin Hedwig von Brandenburg
               Born 2 March 1540 (Berlin?)
               Died 21 October 1602 Wolfenbuettel
               Married 25 February 1560 Berlin
               Julius, Duke of Brunswick-Wolfenbuettel, son of Heinrich II,
               Duke of Brunswick-Wolfenbuettel and Marie von Wuerttemberg
               Born 29 June 1528 (Wolfenbuettel?)
               Died 13 May 1589 Wolfenbuettel

            11 Markgraefin Sophie von Brandenburg
               Born 14 December 1541
               Died 27 June 1564 Krumau
               Buried Hohenfurth
               Married 14 December 1561 Berlin
               Wilhelm von Rosenberg, son of Jobst III von Rosenberg and
               Anna von Rogendorff
               Born 10 March 1535
               Died 31 August 1592 Prag

            12 Markgraf Joachim von Brandenburg
               Born circa 1543
               Died 23 March 1544 Coln an der Spree

            13 Markgraefin NN von Brandenburg
               Died after 21 March 1545

        V-2 (IV-1-5)
            1  Markgraefin Elisabeth von Brandenburg-Kuestrin
               Born 29 August 1540
               Died 8 March 1578
               Married 26 December 1558
               Georg Friedrich, Markgraf von Brandenburg-Ansbach, son of
               Georg, Markgraf von Brandenburg-Ansbach and Duchess Emilie
               of Saxony
               Born 5 April 1539
               Died 26 April 1603
                         S.P.

            2  Markgraefin Katharina von Brandenburg-Kuestrin
               Born 10 August 1549 Kuestrin
               Died 10 October 1602 Berlin
               Married 8 January 1570 Kuestrin
               Joachim Friedrich, Elector of Brandenburg 1598-1608, son of
               Johann Georg, Elector of Brandenburg 1571-1598 and Duchess
               Sophie von Schlesien-Liegnitz
               Born 27 January 1546 Berlin
               Died 28 July 1608 nr Koepenik

        V-3 (IV-4-8)
            1  Duchess Anna of Prussia
               Born 3 July 1576 Koenigsbergen
               Died 9 April 1625 Berlin
               Married 30 October 1594 Koenigsbergen
               Johann Sigismund, Elector von Brandenburg 1608-1619, son of
               Joachim Friedrich, Elector of Brandenburg 1598-1608 and
               Markgraefin Katharina von Brandenburg-Kuestrin
               Born 8 November 1572 Halle
               Died 23 December 1619 Koeln a.d.Spree (Berlin)

            2  Duchess Maria of Prussia
               Born 23 January 1579 Koenigsbergen
               Died 22 February 1659 Dresden
               Married 9 May 1604 Plassenburg
               Christian, Markgraf von Brandenburg-Bayreuth, son of Johann
               Georg, Elector of Brandenburg 1571-1598 and Princess
               Elisabeth von Anhalt-Zerbst
               Born 30 January 1581 Berlin
               Died 9 June 1655 Bayreuth

            3  Duke Albrecht Friedrich of Prussia
               Born 1 June 1580
               Died 8 October 1580

            4  Duchess Sophie of Prussia
               Born 10 April 1582
               Died 4 December 1610 Goldingen
               Married 22 October 1609 Koenigsbergen
               Wilhelm, Duke of Kurland, son of Gotthard, Duke of Kurland
               1561-1587 and Duchess Anna zu Mecklenburg-Guestrow
               Born 20 July 1574 Mitau
               Died 17 April 1640 Kukelow

            5  Duchess Eleonore of Prussia
               Born 12 August 1583
               Died 31 March 1607
               Married 23 October 1603
               Joachim Friedrich, Elector of Brandenburg 1598-1608, son of
               Johann Georg, Elector of Brandenburg 1571-1598 and Duchess
               Sophie von Schlesien-Liegnitz
               Born 27 January 1546 Berlin
               Died 28 July 1608 nr Koepenik

            6  Duke Wilhelm Friedrich of Prussia
               Born 23 June 1585
               Died 18 January 1586

            7  Duchess Magdalene Sibylle in Prussia
               Born 9 January 1587 Koenigsberg
               Died 22 February 1659 Dresden
               Married 19 July 1607 Torgau
               Johann Georg I, Elector of Saxony 1611-1656, son of
               Christian I, Elector of Saxony 1586-1591 and Markgraefin
               Sofie von Brandenburg
               Born 5 March 1585 Dresden
               Died 8 October 1656 Dresden

       VI-1 (V-1-1)
        (1) 1  Joachim Friedrich
               Elector of Brandenburg 1598-1608
               Born 27 January 1546 Berlin
               Died 28 July 1608 nr Koepenik
               Married (1) 8 January 1570 Kuestrin
               Markgraefin Katharina von Brandenburg-Kuestrin, daughter of
               Johann I, Markgraf von Brandenburg-Kuestrin and Duchess
               Katharina of Brunswick-Wolfenbuettel
               Born 10 August 1549 Kuestrin
               Died 10 October 1602 Berlin
               Married (2) 23 October 1603
               Duchess Eleonore of Prussia, daughter of Albrecht
               Friedrich, Duke of Prussia and Marie Eleonore, Duchess of
               Cleves, Juelich and Berg
               Born 12 August 1583
               Died 31 March 1607
                         Children, Generation VII-1

        (2) 2  Markgraf Georg Albrecht von Brandenburg
               Born 29 February 1555
               Died 8 January 1557

            3  Markgraf Johann von Brandenburg
               Died young (twin)

            4  Markgraf Albrecht von Brandenburg
               Died young (twin)

            5  Markgraefin Magdalene Sabine von Brandenburg
               Died young

            6  Markgraefin Erdmuthe von Brandenburg
               Born 26 June 1561
               Died 13 November 1623
               Married 17 February 1577
               Johann Friedrich, Duke von Pommern, son of Philipp I, Duke
               of Pommern-Wolgast and Maria of Saxony
               Born 27 August 1542
               Died 9 February 1600
                         S.P.

            7  Markgraefin Marie von Brandenburg
               Died young

            8  Markgraefin Hedwig von Brandenburg
               Died young

            9  Markgraefin Magdalene von Brandenburg
               Died young

            10 Markgraefin Margarete von Brandenburg
               Died young

            11 Markgraefin Anna Maria von Brandenburg
               Born 3 February 1567
               Died 4 November 1618
               Married 7 October 1581
               Barnim X, Duke von Pommern, son of Philipp I, Duke of
               Pommern-Wolgast and Maria of Saxony
               Born 14 February 1549
               Died 1 September 1603
 

            12 Markgraefin Sofie von Brandenburg
               Born 6 June 1568 Zechlin
               Died 7 December 1622 Dresden
               Married 25 April 1582 Dresden
               Christian I, Elector of Saxony 1586-1591, son of August,
               Elector of Saxony 1553-1586 and Princess Anna of Denmark
               Born 29 October 1560 Dresden
               Died 25 September 1591 Dresden

        (3) 13 Christian
               Markgraf von Brandenburg-Bayreuth
               Born 30 January 1581 Berlin
               Died 9 June 1655 Bayreuth
               Married 9 May 1604 Plassenburg
               Duchess Maria of Prussia, daughter of Albrecht Friedrich,
               Duke of Prussia and Marie Eleonore, Duchess of Cleves,
               Juelich and Berg
               Born 23 January 1579 Koenigsbergen
               Died 22 February 1659 Dresden
                         Children, Generation VII-2

            14 Markgraefin Magdalene von Brandenburg
               Born 7 January 1582 Berlin
               Died 4 May 1616 Darmstadt
               Married 5 June 1598 Berlin
               Ludwig V "der Getreue", Landgraf von Hessen-Darmstadt
               1596-1626, son of Georg I, Landgraf von Hessen-Darmstadt
               and Countess Magdalene zur Lippe
               Born 24 September 1577 Darmstadt
               Died 27 July 1626 Darmstadt

            15 Joachim Ernst
               Markgraf von Brandenburg-Ansbach
               Born 22 June 1583 Kolln a.d.Spree
               Died 7 March 1625 Ansbach
               Married 14 October 1612 Ansbach
               Countess Sophie zu Solms-Laubach, daughter of Johann Georg
               I, Count zu Solms-Laubach and Margarethe von
               Schoenburg-Glauchau
               Born 15 May 1594 Laubach
               Died 16 May 1651 Plotzkau
                         Children, Generation VII-3

            16 Markgraefin Agnes von Brandenburg
               Born 17 July 1584
               Died 20 March 1629
               Married (1) 25 June 1604
               Philipp Julius, Duke of Pommern, son of Ernst Ludwig, Duke
               of Pommern and Duchess Sofie Hedwig of
               Brunswick-Wolfenbuettel
               Born 27 December 1584
               Died 6 February 1625
               Married (2) 9 September 1628
               Duke Franz Karl of Saxe-Lauenburg, Duke of Saxony, son of
               Franz II, Duke of Saxe-Lauenburg 1588-1619 and Duchess
               Marie of Brunswick-Wolfenbuettel
               Born 2 May 1594
               Died 30 November 1660
                         S.P.

            17 Markgraf Friedrich von Brandenburg
               Born 22 March 1588
               Died 19 May 1611

            18 Markgraefin Elisabeth Sophie von Brandenburg
               Born 4 July 1589 Berlin
               Died 24 December 1629 Frankfurt a.d. Oder
               Married (1) 27 June 1613 Berlin
               Prince Janusz Radziwill, son of Prince Krzysztof Radziwill,
               Palatin of Wilno and Princess Katarzyna Anna Ostrogska
               Born 2 July 1579 Wilno
               Died 3 December 1620 Czarlin
               Married (2) 27 February 1628
               Julius Heinrich, Duke of Saxe-Lauenburg 1656-1665, son of
               Franz II, Duke of Saxe-Lauenburg 1588-1619 and Duchess
               Marie of Brunswick-Wolfenbuettel
               Born 9 April 1586
               Died 20 November 1665

            19 Markgraefin Dorothea Sibylle von Brandenburg
               Born 19 October 1590
               Died 9 March 1625
               Married 12 December 1610
               Johann Christian von Schlesien, Duke of Liegnitz 1602-1639
               and Brieg, son of Joachim Friedrich von Schlesien, Duke von
               Liegnitz, Brieg und Wohlau and Princess Anna Marie von
               Anhalt-Zerbst
               Born 28 August 1591
               Died 25 December 1639

            20 Markgraf Georg Albrecht von Brandenburg
               Born 20 November 1591
               Died 19 November 1615

            21 Markgraf Siegmund von Brandenburg
               Born 20 November 1592
               Died 30 April 1640

            22 Markgraf Johann von Brandenburg
               Born 13 July 1597
               Died 13 September 1627

            23 Markgraf Johann Georg von Brandenburg
               Born 4 August 1598
               Died 27 January 1637