Catherine Thérèse de Langhe–
| Marriage | Philippe Jacques Hovyn — View this family yes |
| Marriage of a child | Pierre Joseph Iweins — Marie Marguerite Hovyn — View this family September 20, 1739 |
| Birth of a granddaughter #1 | Narcisse Catherine Thérèse Iweins July 24, 1740 |
| Birth of a grandson #2 | Pierre Louis Iweins July 30, 1741 |
| Birth of a grandson #3 | Livin Joseph Iweins May 11, 1756 |
| Marriage of a grandchild | Pierre Jacques Lanszweert — Narcisse Catherine Thérèse Iweins — View this family November 22, 1762 |
| Death of a grandson | Pierre Louis Iweins October 8, 1789 |
| Death of a granddaughter | Narcisse Catherine Thérèse Iweins November 14, 1817 |
| Family with Philippe Jacques Hovyn |
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| herself | |
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Marriage: — |
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| daughter |