| Name | Role | Place | Source | |
|---|---|---|---|---|
| Isaac Jacobse van Haastert | Father | 1687 | Delft | Church records baptisms |
| Isaac Jacobsz van Haastert | Deceased | 1695 | Delft | Church records burials |
| Isaac van Haastert | Child | 1753 | Delft | Church records baptisms |
| Isaac van Haastert | Child | 1720 | Delft | Church records baptisms |
| Isaac van Haastert | Groom | 1793 | Delft | Church records marriages |
| Isaac van Haastert | Groom | 1793 | Delft | Church records marriages |
| Isaac van Haastert | Relation | 1832 | Delft | Civil registration deaths |
| Isaac van Haastert | Deceased | 1834 | Delft | Civil registration deaths |
| Maria Johanna Maaswijk, Huisvrouw Van Isaac Van Haastert | Witness | 1799 | Delft | Church records baptisms |
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