| Name | Role | Place | Source | |
|---|---|---|---|---|
| Jan Lodewijk Gregory Pierson | Father of groom | 1857 | Rotterdam | Civil registration marriages |
| Jan Lodewijk Gregory Pierson | Father of groom | 1862 | Amsterdam | Civil registration marriages |
| Jan Lodewijk Gregory Pierson | Partner | 1860 | Utrecht | Civil registration deaths |
| Jan Lodewijk Gregory Pierson | Father of groom | 1854 | Amsterdam | Civil registration marriages |
| Jan Lodewijk Gregory Pierson | Father of groom | 1857 | Rotterdam | Civil registration marriages |
| Jan Lodewijk Gregory Pierson | Father | 1913 | Utrecht | Civil registration deaths |
| Jan Lodewijk Gregory Pierson | Father | 1909 | Heemstede | Civil registration deaths |
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