| Name | Role | Place | Source | |
|---|---|---|---|---|
| Joh. Colthoff | Father | 1743 | Besoijen | Church records baptisms |
| Joh. Colthoff | Father | 1741 | Besoijen | Church records baptisms |
| Joh. Leonard Colthoff | Registered | 1747 | Soest | Officiersboekjes |
| Wilh. Marg. Joh. Colthoff | Arrestant | 1943 | Gorinchem, Haarlemmermeer | Institutional Registers |
| Wilhelmina Margaretha Joh Colthoff | Arrestant | 1943 | Vught, Haarlemmermeer | Institutional Registers |
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