1877 - 1949 (71 years)
| Kos, Maria Anna | |
| B: | 30 July 1909 |
| Heemskerk | |
| D: | 09 Dec 1988 |
| Heemskerk | |
| de Ruijter, Engelmundus | |
| B: | 25 September 1905 |
| Heemskerk | |
| M: | 15 May 1934 |
| Heemskerk | |
| D: | 29 August 1976 |
| Heemskerk | |
| Kos, Petrus Cornelis | |
| B: | 25 Jan 1912 |
| Heemskerk | |
| D: | 20 Jun 1982 |
| Bussem | |
| Keet, Anna | |
| B: | 4 August 1912 |
| Rodenkirchen,deu | |
| D: | 18 October 2000 |
| Weesp, Noord-Holland, Nederland | |
|
| Kos, Martinus | |
| B: | 21 Nov 1877 |
| Heemskerk | |
| D: | 1949 |
| onbekend | |
| Zonneveld, Anna | |
| B: | 27 March 1879 |
| Heemskerk, Noord Holland, Netherlands | |
| M: | 8 Juni 1904 |
| Heemskerk | |
| D: | 14 June 1949 |
| Heemskerk, Noord Holland, Netherlands | |
