Jan Oskam
| Family | Pedigree | Reports |
| Jan Oskam |
| b. |
| d. abt 1768 |
| Buchardus Oskam |
| b. |
| d. 5 Nov 1715 |
| Leentje Lekkerkerker |
| b. |
| d. 2 May 1746 |
| Hendrik Oskamp |
| b. |
| d. aft 1671 |
| Family | Pedigree | Reports |
| Jan Oskam |
| b. |
| d. abt 1768 |
| Buchardus Oskam |
| b. |
| d. 5 Nov 1715 |
| Leentje Lekkerkerker |
| b. |
| d. 2 May 1746 |
| Hendrik Oskamp |
| b. |
| d. aft 1671 |