| Name | Role | Place | Source | |
|---|---|---|---|---|
| Abraham Isak Jacobus Labordus | Father | 1859 | Leiden | |
| Abram Isak Jacobus Labordus | Father of groom | 1879 | 's-Gravenhage | Civil registration marriages |
| Isak Labordus | Father | 1804 | Leiden | |
| Isak Labordus | Witness | 1753 | Leiden | |
| Isak Labordus | Witness | 1755 | Leiden |
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