| Name | Role | Place | Source | |
|---|---|---|---|---|
| Barent Costerus | Baptized | 1645 | Woerden | Church records baptisms |
| Barent Costerus | Child | 1644 | Woerden | Church records baptisms |
| Barent Costerus | Child | 1645 | Woerden | Church records baptisms |
| Barent Costerus | Mention | 1673 | Woerden | Notarial records |
| Barent Costerus | Mention | 1660 | Woerden | Notarial records |
| Barent Costerus | Mention | 1662 | Woerden | Notarial records |
| Barent Costerus | Baptized | 1644 | Woerden | Church records baptisms |
| Barent Costerus | Mention | 1643 | Woerden | Notarial records |
| Barent Costerus | First party | 1687 | Notarial records |
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