1845 - 1920 (75 years)
| Kos, Maria Anna 1909-1988 |
| Kos, Maria Anna | |
| B: | 30 July 1909 |
| Heemskerk | |
| D: | 09 Dec 1988 |
| Heemskerk | |
 | de Ruijter, Engelmundus 1905-1976 |
| de Ruijter, Engelmundus | |
| B: | 25 September 1905 |
| Heemskerk | |
| M: | 15 May 1934 |
| Heemskerk | |
| D: | 29 August 1976 |
| Heemskerk | |
| Kos, Petrus Cornelis 1912-1982 |
| Kos, Petrus Cornelis | |
| B: | 25 Jan 1912 |
| Heemskerk | |
| D: | 20 Jun 1982 |
| Bussem | |
| Keet, Anna 1912-2000 |
| Keet, Anna | |
| B: | 4 August 1912 |
| Rodenkirchen,deu | |
| D: | 18 October 2000 |
| Weesp, Noord-Holland, Nederland | |
| Kos, Martinus 1877-1949 |
| Kos, Martinus | |
| B: | 21 Nov 1877 |
| Heemskerk | |
| D: | 1949 |
| onbekend | |
| Zonneveld, Anna 1879-1949 |
| Zonneveld, Anna | |
| B: | 27 March 1879 |
| Heemskerk, Noord Holland, Netherlands | |
| M: | 8 Juni 1904 |
| Heemskerk | |
| D: | 14 June 1949 |
| Heemskerk, Noord Holland, Netherlands | |
|
| Kuijs, Maartje 1845-1920 |
| Kuijs, Maartje | |
| B: | 16 February 1845 |
| Castricum (Noord-Holland) | |
| D: | 29 November 1920 |
| Heemskerk (Noord-Holland) | |
| Kos, Cornelis 1843-1889 |
| Kos, Cornelis | |
| B: | 28 Jul 1843 |
| Akersloot | |
| M: | 26 Nov 1876 |
| Akersloot | |
| D: | 28 Aug 1889 |
| Akersloot | |
| Kooper, Pieter 1847-1912 |
| Kooper, Pieter | |
| B: | 8 Mar 1847 |
| Heemskerk | |
| M: | 18 Aug 1892 |
| Heemskerk | |
| D: | 4 Jun 1912 |
| Heemskerk, North Holland, The Netherlands | |
