1901-1988
| Wilhelmina Antonia Ketz | |
| G: | 7 dec 1901 |
| Deventer | |
| O: | 10 feb 1988 |
1900-1959
| Pieter Janse | |
| G: | 23 okt 1900 |
| Rheden | |
| H: | 15 jul 1920 |
| Rheden | |
| O: | 14 jan 1959 |
1903-1903
| Gerbrand Hendrik Ketz | |
| G: | 29 mrt 1903 |
| Velp | |
| O: | 29 mei 1903 |
| Deventer | |
ca. 1904-
| Theodora Ketz | |
| G: | ca. 25 nov 1904 |
| Willem Carel Ketz | |
| G: | 7 okt 1907 |
| Deventer | |
| O: | 13 sep 1989 |
| Amsterdam | |
| Estella Neuwit | |
| H: | ca. 1924 |
| Emma Kania | |
| H: | vóór 1949 |
| Bauke Ketz | |
| G: | 22 dec 1949 |
| Amsterdam | |
| O: | 13 apr 2013 |
| Vledderveen | |
| Helena Louisa Rem | |
| G: | 29 nov 1916 |
| Amsterdam | |
| H: | 31 mei 1949 |
| Amsterdam | |
| O: | 31 okt 1991 |
| Amsterdam | |
| Louisa Georgina Enkhof | |
| G: | 9 sep 1877 |
| Velp | |
| O: | 19 nov 1958 |
| Driebergen Rijsenburg | |
1878-1963
| Gerbrand Hendrik Ketz | |
| G: | 17 jun 1878 |
| Dieren | |
| H: | 4 jul 1901 |
| Gem. Rheden | |
| O: | 21 dec 1963 |