 MaleGerrebrand Hendrik Ketz |
| Birth | 22 Jul 1883 | Kralingen  |
| Death | ||
| Burial | ||
| Marriage | 6 Feb 1907 | Rotterdam |
| Type | burgerlijk huwelijk | |
| Father | Dirk Bernardus Ketz | F75 Group Sheet | |
| Mother | Derkje Wentink | F75 Group Sheet | |
| Female Petronella Maria Doorewaard |
| Birth | 11 May 1886 | Rotterdam |
| Death | ||
| Burial | ||
| Father | Leendert Christianus Doorewaard | F1195474120 Group Sheet | |
| Mother | Maria van Schijndel | F1195474120 Group Sheet | |
| Female Gerardina Hendrika Ketz |
| Birth | 2 Jan 1909 | Rotterdam |
| Death | ||
| Burial | ||
| Spouse | Tjip van der Werff | F1195474121 | |
| Marriage | ||
 Male+ Dirk Bernardus Ketz |
| Birth | 12 May 1913 | Rotterdam |
| Death | 1 Nov 1982 | Rotterdam |
| Burial | ||
| Spouse | Anna Koster | F1197164351 (burgerlijk huwelijk) | |
| Marriage | Abt 1952 | |
| Female + Helena Christina Maria Ketz |
| Birth | 13 May 1916 | Rotterdam |
| Death | 21 Aug 1993 | Rotterdam |
| Burial | ||
| Spouse | H. Vermeer | F1197164350 (burgerlijk huwelijk) | |
| Marriage | Abt 1948 | Rotterdam |
| Male Gerrebrand Hendrik Ketz |
| Birth | 2 Jul 1917 | Rotterdam |
| Death | 8 Apr 1920 | Rotterdam |
| Burial | Graf nr. R. |
 Female+ Johanna Maria Ketz |
| Birth | 7 Mar 1926 | Rotterdam |
| Death | 2 Apr 2010 | Selkirk Manitoba (Canada) |
| Burial | ||
| Spouse | Edward Domansky | F1202980100 (burgerlijk huwelijk) | |
| Marriage | 14 Nov 1945 | Rotterdam |
| Spouse | Peter Yanchycki | F1202980101 (burgerlijk huwelijk) | |
| Marriage | Abt 1970 | |
