Biography
Pieter Jansz Symonsz van Oegstgeest was born 1430 to Jan Symonsz Heermans van Oegstgeest (c1385-c1455) and Machteld Herman Dircksdr van den Hoorn (c1395-aft1465) and died before 4 November 1505 of unspecified causes. He married Katrijn Willemsdr (c1445-c1512) .
Children
| Name | Birth | Death | Joined with |
| Gielis Pietersz van Oegstgeest (c1506-c1555) | |||
| Willem Pietersz van Oegstgeest (c1495-c1553) | 1495 | 12 June 1552 | Maritgen Jansdochter (c1520-c1563) |
Footnotes (including sources)
| ‡ General |