Henri Mertens–
| Birth | yes |
| Marriage | Marie Josèphe Erix — View this family September 4, 1875 |
| Birth of a son #1 | Eugène Mertens de Wilmars July 18, 1889 |
| Marriage of a child | Eugène Mertens de Wilmars — Ghislaine Meyers — View this family September 11, 1920 |
| Birth of a grandson #1 | Pierre Mertens de Wilmars May 6, 1925 |
| Death | yes |
| Family with Marie Josèphe Erix |
| himself |
Henri Mertens Birth: Death: |
| wife |
Marie Josèphe Erix Birth: Death: |
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Marriage: September 4, 1875 — |
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14 years son |
Eugène Mertens de Wilmars Birth: July 18, 1889 Death: 1970 |