| Name | Role | Place | Source | |
|---|---|---|---|---|
| Johan Simon Groh | Father | 1794 | Amsterdam | Church records baptisms |
| Johan Simon Groh | Father | 1796 | Amsterdam | Church records baptisms |
| Johan Simon Groh | Father | 1796 | Amsterdam | Church records baptisms |
| Johan Simon Groh | Father of groom | 1855 | Rotterdam | Civil registration marriages |
| Johan Simon Groh | Father of groom | 1855 | Rotterdam | Civil registration marriages |
| Johan Simon Groh | Father | 1806 | Amsterdam | Church records baptisms |
| Johan Simon Groh | Father of groom | 1838 | Amsterdam | Civil registration marriages |
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