| Name | Role | Place | Source | |
|---|---|---|---|---|
| Abram Keyzer | Travelers | 1910 | Rotterdam | Passenger registers |
| Abram Keyzer | Witness | Katwijk | ||
| Abram Keyzer | Father of groom | 1866 | Leiderdorp | |
| Abram de Keyzer | Witness | 1752 | Leiden | |
| Abram de Keyzer | Child | 1789 | Kralingen | Church records baptisms |
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