Peerage Record – 64589

     Otto Baron van Wassenaer Heer van Katwijk, ‘t Zandt en Valkenburg was born on 12 December 1795 at The Hague, The Netherlands.¹ He was the son of Willem Frederik Hendrik van Wassenaer Heer van Echteld, Spanbroek, Katwijk, ‘t Zandt, Valkenburg en Ameide and Johanna Judith van Isselmuden.¹ He married Jacqueline Cornelle Barones van Balveren Vrouwe van Weurt en Hoekelum, daughter of Lt.-Col. Gerrit Willem van Balveren Heer van Weurt en Hoekelum and Wilhelmina Carolina van Löben Sels, on 19 May 1819 at Beuningen, The Netherlands.¹ He died on 25 February 1858 at age 62 at Arnhem, The Netherlands.¹
     He was created Baron van Wassenaer on 21 March 1822.¹

     Lt.-Col. Gerrit Willem van Balveren Heer van Weurt en Hoekelum was born on 21 July 1747 at Tiel, The Netherlands.¹ He married Wilhelmina Carolina van Löben Sels on 6 September 1789 at Hees, The Netherlands.¹ He died on 2 December 1798 at age 51 at Nijmegen, The Netherlands.¹
     He held the office of Burgomaster of Nijmegen.¹

     Wilhelmina Carolina van Löben Sels was born on 7 October 1761 at Zutphen, The Netherlands.¹ She married Lt.-Col. Gerrit Willem van Balveren Heer van Weurt en Hoekelum on 6 September 1789 at Hees, The Netherlands.¹ She died on 11 July 1829 at age 67 at Nijmegen, The Netherlands.¹

     Willem Frederik Hendrik Baron van Wassenaer was born on 12 May 1820 at Nijmegen, The Netherlands.¹ He was the son of Otto Baron van Wassenaer Heer van Katwijk, ‘t Zandt en Valkenburg and Jacqueline Cornelle Barones van Balveren Vrouwe van Weurt en Hoekelum.¹ He married Justine Goverdine Jeanne Adolphine Gravin van Rechteren on 13 October 1848 at The Hague, The Netherlands.¹ He died on 6 April 1892 at age 71 at Huis Riethorst, Ermelo, The Netherlands.¹

     Justine Goverdine Jeanne Adolphine Gravin van Rechteren was born on 21 February 1828 at Arnhem, The Netherlands.¹ She married Willem Frederik Hendrik Baron van Wassenaer, son of Otto Baron van Wassenaer Heer van Katwijk, ‘t Zandt en Valkenburg and Jacqueline Cornelle Barones van Balveren Vrouwe van Weurt en Hoekelum, on 13 October 1848 at The Hague, The Netherlands.¹ She died on 11 October 1892 at age 64 at Huis Riethorst, Ermelo, The Netherlands.¹

     Civile Jacqueline Caroline Barones van Wassenaer was born on 30 March 1850 at Arnhem, The Netherlands.¹ She was the daughter of Willem Frederik Hendrik Baron van Wassenaer and Justine Goverdine Jeanne Adolphine Gravin van Rechteren.¹ She married Philip Jacob baron van Heemstra, son of Frans Julius Johan baron van Heemstra and Henriëtte Philippine Jacoba barones van Pallandt, on 23 April 1874 at The Hague, The Netherlands.¹ She died on 20 January 1875 at age 24 at Hattem, The Netherlands.¹

     Samantha (?) married Michael Peter Metcalfe, son of Wallace Howard Metcalfe and Elizabeth Margaret Young.¹
     Her married name became Metcalfe.¹

     Adriana Wilhelmina van Vredenburch was born on 17 April 1824 at The Hague, The Netherlands.¹ She married Jonkheer Jan Willem van Sypesteyn.¹ She died on 7 October 1910 at age 86 at The Hague, The Netherlands.¹

     Adriana Justine Civile Barones van Wassenaer was born on 5 October 1882 at The Hague, The Netherlands.¹ She was the daughter of Jan Derk Baron van Wassenaer and Maria Adriana van Sypesteyn.¹ She married Jonkheer Dr. Herman Adriaan van Karnebeek, son of Jonkheer Abraham Pieter Cornelis van Karnebeek and Maria Petronella Rochussen, on 20 November 1902 at The Hague, The Netherlands.¹ She died on 14 November 1944 at age 62 at The Hague, The Netherlands.¹

     Jonkheer Dr. Herman Adriaan van Karnebeek was born on 21 August 1874 at The Hague, The Netherlands.¹ He was the son of Jonkheer Abraham Pieter Cornelis van Karnebeek and Maria Petronella Rochussen.² He married Adriana Justine Civile Barones van Wassenaer, daughter of Jan Derk Baron van Wassenaer and Maria Adriana van Sypesteyn, on 20 November 1902 at The Hague, The Netherlands.¹ He died on 29 March 1942 at age 67 at The Hague, The Netherlands.¹
     He held the office of Minister of Foreign Affairs [The Netherlands] between 1918 and 1927.¹