Graaf Jacob van Wassenaer
       Baanderheer van Wassenaer
       Heer van Obdam, Hensbroek, Spierdijk, Wogmeer,
       Zuidwijk, Kernhem en Schonauwen
       Born 1645
       Died 24 May 1714 's-Gravenhage
       Married 9 May 1676 Delden
       Adriana Sophia van Raesfeld, Vrouwe van Lage en Twickel, 
       daughter of Adolf Hendrik van Raesfeld, Heer van Lage en
       Twickel and Countess Amadea Isabella von Flodrop
       Died 30 August 1694 Delden, Castle Twickel
                 Children, Generation I

       Generation I 
            1  Jacob Adolf van Wassenaer Obdam
               Born 4 April 1677 's-Gravenhage
               Died young

            2  Gravin Agnes Anna Theodora van Wassenaer Obdam
               Born 1678
               Died 24 January 1746 's-Gravenhage
               Married 11 March 1704 Wassenaar
               Johann Diederick von der Reck, Heer van Horst

            3  Gravin Amadea Isabella van Wassenaer Obdam
               baptised 5 August 1681
               Died 2 May 1750 's-Gravenhage

            4  Graaf Johan Hendrik van Wassenaer Obdam
               Baanderheer van Wassenaer
               Vrijheer van Lage, Heer van Twickel, Obdam,
               Hensbroek, Spierdijk, Wogmeer, Zuidwijk en Kernhem
               baptised 17 February 1683
               Buried 11 February 1745

            5  Gravin Isabella van Wassenaer Obdam
               baptised 22 May 1689
               Buried 17 October 1740
               Married 2 May 1723 Wassenaer
               Guido Pape, Marquis de St.Auban

            6  Graaf Unico Wilhelm van Wassenaer Obdam
               Baanderheer van Wassenaer
               Vrijheer van Lage, Heer van Twickel, Obdam,
               Hensbroek, Spierdijk, Wogmeer, Zuidwijk, Kernhem,
               Weldam en Olidam
               baptised 2 November 1692 Delden
               Died 9 November 1766 's-Gravenhage
               Married 26 September 1723 Dongjum
               Dodonea Lucia van Goslinga, daughter of Sicco van Goslinga
               and Janetta Isabella thoe Schwartzenberg en Hohenlansberg
               Born 6 December 1702 Goslingastate
               Died 13 January 1769 's-Gravenhage
                         Children, Generation II-1

            7  Adriaan Cornelis van Wassenaer Obdam
               Buried 22 August 1702

       II-1 (I-6)
            1  Graaf Jacob Jan van Wassenaer Obdam
               Baanderheer van Wassenaer
               Vrijheer van Lage, Heer van Obdam, Hensbroek,
               Spierdijk, Wogmeer, Zuidwijk, Weldam en Olidam
               Born 1724
               Died 25 December 1779 's-Gravenhage

            2  Graaf Sicco Goslinga van Wassenaer Obdam
               baptised 15 June 1731
               Died February 1733 's-Gravenhage

            3  Graaf Carel George van Wassenaer Obdam
               Heer van Twickel
               baptised 6 February 1733 's-Gravenhage
               Died 14 July 1800 Twickel
               Married 30 August 1767 Amsterdam
               Jacoba Elisabeth van Strijen, daughter of Jacob van
               Strijen, Regent in Amsterdam 1735-1756 and Geertruy Blaeu
               Born 14 December 1741 's-Gravenhage
               Died 17 February 1816 's-Gravenhage
                         Children, Generation III-1

            4  Graaf Sicco Hendrik Amade?s Willem van Wassenaer Obdam
               baptised 3 April 1735
               Died 5 November 1750 's-Gravenhage

            5  Gravin Sophia Isabella Juliana van Wassenaer Obdam
               baptised 25 July 1736
               Died young

      III-1 (II-1-3)
            1  Gravin Wilhelmina Jacoba Quirina van Wassenaer Obdam
               baptised 19 June 1768
               Buried 17 July 1768

            2  Graaf Jacob Unico Willem van Wassenaer Obdam
               baptised 23 July 1769 's-Gravenhage
               Died 31 August 1812 Castle Twickel
               Married (1) 5 June 1791 Wassenaar
               Adriana Margaretha Clifford, daughter of George Clifford,
               Heer van Hoogersmilde and Hester Hooft
               Born 1 October 1772 Amsterdam
               Died 29 January 1797 Leeuwarden
               Married (2) 4 November 1798 Amsterdam
               Marguerite Helene Alewijn, daughter of Mr. Gillis Alewijn
               and Maria Cornelia van Loon
               Born 9 September 1776 Amsterdam
               Died 26 December 1802 's-Gravenhage
               Married (3) 24 April 1808 Ruurlo
               Barones Sophia Willemina Petronella van Heeckeren van Kell,
               daughter of Jacob Derk Carel van Heeckeren, Heer van
               Roderlo, Lichtenberg, Engelenburg & Kell and Johanna
               Juliana van Wassenaer
               Born 19 September 1772 's-Gravenhage
               Died 13 January 1847 's-Gravenhage
                         Children, Generation IV-1

       IV-1 (III-1-2)
        (2) 1  Gravin Maria Cornelia van Wassenaer
               Baandervrouwe van Wassenaer
               Vrijvrouwe van Lage, Vrouwe van Twickel, Weldam
               en Olidam, Obdam, Spierdijk, Hensbroek, Wogmeer,
               Zuidwijk en Kernhem
               Born 21 September 1799 Amsterdam
               Died 31 March 1850 's-Gravenhage
               Married 14 December 1831 Ambt Delden
               Baron Mr. Jacob Derk Carel van Heeckeren, Heer van
               Nettelhorst en Borculo, son of Baron Willem Hendrik van
               Heeckeren, Heer van Roderlo en Kell and Jkvr. Sara
               Geertruida Agatha van Pabst, Vrouwe van Bingerden
               Born 8 February 1809 Emmerik
               Died 7 November 1875 's-Gravenhage
                         S.P.

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

           Nederland's Adelsboek
           Den Haag

           De vroedschap van Amsterdam 1578-1795,
           two volumes
                                     by Johan E. Elias