Willem van Fetz–
| Birth | yes |
| Marriage | Liberta Damen — View this family yes |
| Birth of a daughter #1 | Cornélia van Fetz June 30, 1678 |
| Marriage of a child | Hendriek Stier — Cornélia van Fetz — View this family January 26, 1701 |
| Birth of a grandson #1 | Albert Stier 1721 |
| Death of a wife | Liberta Damen 1727 |
| Death | yes |
| Family with parents |
| father |
Gérard van Fetz Birth: Death: |
| mother |
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Marriage: — |
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| himself |
Willem van Fetz Birth: Death: |
| Family with Liberta Damen |
| himself |
Willem van Fetz Birth: Death: |
| wife |
Liberta Damen Birth: Death: 1727 — Amsterdam, Pays-Bas |
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Marriage: — |
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| daughter |
Cornélia van Fetz Birth: June 30, 1678 — Amsterdam, Pays-Bas Death: September 2, 1761 — Amsterdam, Pays-Bas |