Bertus Jan Janse Kool
1869 - 1935 (65 years)( = Descendancy chart to this point, = Expand, = Collapse)
- 1 Bertus Jan Janse Kool [1] b. 10 Oct 1869 d. 28 Apr 1935
- Jacoba van Vliet b. 21 Mar 1875
- 2 Aaltje Geertruida Kool [1.1] b. 18 Apr 1902 d. 11 May 2000
- Pieter den Duijf b. 10 Dec 1897 d. 6 Feb 1969
- 3 Arie den Duyf [1.1.1] b. 14 May 1927 d. 3 Mar 2006
- Corry Potuit b. 12 Aug 1932 d. 2 Aug 2008
- Corry Potuit b. 12 Aug 1932 d. 2 Aug 2008
- 3 Arie den Duyf [1.1.1] b. 14 May 1927 d. 3 Mar 2006
- Pieter den Duijf b. 10 Dec 1897 d. 6 Feb 1969
- 2 Aaltje Geertruida Kool [1.1] b. 18 Apr 1902 d. 11 May 2000
- Jacoba van Vliet b. 21 Mar 1875