Jonkheer Pierre François Emile Vrijthoff1,2 
Child of Jonkheer Pierre François Emile Vrijthoff and Anna Theodora Martina Hogerwaard
- Emilie Françoise Wilhelmine Vrijthoff+3 b. 25 Jan 1861, d. 6 Feb 1885
Emilie Françoise Wilhelmine Vrijthoff1 
Child of Emilie Françoise Wilhelmine Vrijthoff and Jonkheer Jacob Speelman
- Jonkheer Sir Cornelis Jacob Speelman, 7th Bt.+3 b. 22 Sep 1881, d. 3 Feb 1949
Jonkheer Sir Cornelis Jacob Speelman, 7th Bt.1 
He succeeded as the 7th Baronet Speelman [E., 1686] on 17 May 1907.1 He was Collector of Town Dues at Zandvoort, The Netherlands.1
Child of Jonkheer Sir Cornelis Jacob Speelman, 7th Bt. and Maria Catharina Helena Castendijk
- Jonkheer Sir Cornelis Jacob Speelman, 8th Bt.3 b. 17 Mar 1917, d. 23 Apr 2005
Boudewyn Frans Castendijk1
Child of Boudewyn Frans Castendijk
- Maria Catharina Helena Castendijk+2 b. 15 Jul 1889
Maria Catharina Helena Castendijk1 
Child of Maria Catharina Helena Castendijk and Jonkheer Sir Cornelis Jacob Speelman, 7th Bt.
- Jonkheer Sir Cornelis Jacob Speelman, 8th Bt.3 b. 17 Mar 1917, d. 23 Apr 2005
James Robert Spencer-Nairn1
He was educated at Glenalmond College, Glenalmond, Perthshire, Scotland.1 He was educated at Royal Agricultural College, Cirencester, Gloucestershire, England.1
Children of James Robert Spencer-Nairn and Dominique Jane Williamson
- Alastair Charles Spencer-Nairn2 b. 10 Apr 1999
- Rory Fergus Spencer-Nairn2 b. 11 Jun 2001
Michael Williamson1
Child of Michael Williamson
Dominique Jane Williamson1
From 23 July 1994, her married name became Spencer-Nairn.
Children of Dominique Jane Williamson and James Robert Spencer-Nairn
- Alastair Charles Spencer-Nairn2 b. 10 Apr 1999
- Rory Fergus Spencer-Nairn2 b. 11 Jun 2001
Alastair Charles Spencer-Nairn1
Rory Fergus Spencer-Nairn1
