| | Guillaume COCHET 1750–1835 Anne Catharian Cumps 1765–1818 | | | | | | | | Anna Isabel Dugas 1747–1805 | | | | Joseph Petit Joseph Dugas 1709–1758 Anne Marie Hebert 1705–1758 |
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| | | Marie Anne RUELENS 1759–1828 | | | | Barbara (Isabella) VAN BEETHOVEN 1724–1784 | | | | Michael Van Beethoven 1687–1757 Cecilia Servranx 1678–1747 | | |
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