Sijtsma Jacob Gerard
1881 - 1960 (78 years)(Notes: You may have to scroll down or right to see chart.)
| Sijtsma Ritske 1905-1917 |
| Sijtsma Ritske | |
| B: | 20 Jun 1905 |
| Leiden | |
| D: | 7 May 1917 |
| Amsterdam | |
| Sijtsma Theodora Margaretha Geertruida Maria | |
| B: | 2 Jan 1915 |
| Amsterdam | |
| D: | 21 Mar 1990 |
| Hilversum | |
| Hoks Hendrik Johan 1909-1960 |
| Hoks Hendrik Johan | |
| B: | 14 Feb 1909 |
| Den Haag | |
| D: | 16 Jun 1960 |
| Hilversum | |
|
| Sijtsma Jacob Gerard 1881-1960 |
| Sijtsma Jacob Gerard | |
| B: | 10 May 1881 |
| Leiden | |
| D: | 19 Jan 1960 |
| Den Haag | |
van den Berg Geertruida 1881-1941 |
| van den Berg Geertruida | |
| B: | 11 Mar 1881 |
| Utrecht | |
| D: | 25 Oct 1941 |
| Den Haag | |