Caroline Wilhelmina van Loon1 
Child of Caroline Wilhelmina van Loon and Maurits Jacob Jonkheer van Lennep
- Jonkheer Frank Karel van Lennep+1 b. 24 Nov 1865, d. 10 May 1928
Sylvia Augusta van Lennep1 
Children of Sylvia Augusta van Lennep and Godfried Hendrik Baron van Wassenaer
- Constance Cornelie Barones van Wassenaer1 b. 3 Oct 1921
- Augusta Louise Francesca Barones van Wassenaer1 b. 4 Feb 1924
- Cunera Erica Barones van Wassenaer1 b. 18 Nov 1925
- Stella Ernestine Barones van Wassenaer1 b. 16 Jul 1927
- Arent Jacob Otto Baron van Wassenaer+1 b. 2 Dec 1930, d. 18 Aug 1996
- Jan Willem Frederik Baron van Wassenaer1 b. 13 Mar 1933
Godfried Hendrik Baron van Wassenaer1 
Children of Godfried Hendrik Baron van Wassenaer and Sylvia Augusta van Lennep
- Constance Cornelie Barones van Wassenaer1 b. 3 Oct 1921
- Augusta Louise Francesca Barones van Wassenaer1 b. 4 Feb 1924
- Cunera Erica Barones van Wassenaer1 b. 18 Nov 1925
- Stella Ernestine Barones van Wassenaer1 b. 16 Jul 1927
- Arent Jacob Otto Baron van Wassenaer+1 b. 2 Dec 1930, d. 18 Aug 1996
- Jan Willem Frederik Baron van Wassenaer1 b. 13 Mar 1933
Louis Anne Labouchere1 
Children of Louis Anne Labouchere and Alice Marie de Casembroot
- Laure Henriëtte Labouchere1 b. 22 Jun 1908, d. 12 Dec 2002
- Edmond Alfred Labouchere+1 b. 20 Apr 1910, d. 24 Feb 1992
Children of Louis Anne Labouchere and Ludolphine Marie Anne Barones van Heemstra
- Marie Isabelle Anne Josine Charlotte Labouchere1 b. 16 Apr 1920
- Anne Elisabeth Adolphine Labouchere1 b. 10 Nov 1921, d. 21 Dec 2009
Alice Marie de Casembroot1 
Children of Alice Marie de Casembroot and Louis Anne Labouchere
- Laure Henriëtte Labouchere1 b. 22 Jun 1908, d. 12 Dec 2002
- Edmond Alfred Labouchere+1 b. 20 Apr 1910, d. 24 Feb 1992
Jonkheer Leonard Willem de Casembroot1 
He held the office of Chamberlain to King Willem III.1
Child of Jonkheer Leonard Willem de Casembroot and Catherine Jaqueline Laure de Bruyn
- Alice Marie de Casembroot+1 b. 10 Oct 1884, d. 2 Apr 1916
Catherine Jaqueline Laure de Bruyn1 
Child of Catherine Jaqueline Laure de Bruyn and Jonkheer Leonard Willem de Casembroot
- Alice Marie de Casembroot+1 b. 10 Oct 1884, d. 2 Apr 1916
Martinus de Bruyn1 
Child of Martinus de Bruyn and Marie Amelie Georgine Conqueré de Montbrison
- Catherine Jaqueline Laure de Bruyn+1 b. 16 Oct 1858, d. 26 Dec 1893
Marie Amelie Georgine Conqueré de Montbrison1 
Child of Marie Amelie Georgine Conqueré de Montbrison and Martinus de Bruyn
- Catherine Jaqueline Laure de Bruyn+1 b. 16 Oct 1858, d. 26 Dec 1893
Laure Henriëtte Labouchere1 
