| Jan de Koster |
|
| Maria Heijkoop |
| Lucas de Koster17 | (?)17 |
| b. 1778, Leerbroek, Netherlands d. Dec 13, 1838, Oosterwijk, Sud Holland bur. occ. bp. Jul 6, 1778, Leerbroek, Netherlands |
b. d. bur. occ. bp. |
| spouses: 1, 2 |
| Frederick DeKoster Floris DeKoster |