| Name | Role | Place | Source | |
|---|---|---|---|---|
| Joanna Maria Josepha Crets | Mother of groom | 1855 | Hever | Civil registration marriages |
| Maria Josepha Crets | Mother of bride | 1859 | Muizen | Civil registration marriages |
| Maria Josepha Godefrida Crets | Mother | 1827 | Maastricht | Civil registration deaths |
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