| | Alain de Thysebaert 1911–1989 Louise de Theux de Meylandt et Montjardin 1914–1992 | | |
| | Marie-Madeleine Thibaut – | | |
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| | | | | | | | | | Jules Etienne René Sanson de Loisel 1758–1843 Françoise Marie Madeleine Dorival 1763–1821 | | | | Daniel Sanson de Loisel 1716–1762 Anne Elisabeth Marie Dorival 1724–1784 | | | | Charles, César Jules Sanson de Loisel 1681–1716 Marie Martine Chevry 1685–1738 | | |
| | | François Léger Dorival 1693–1761 Poncette Preud'homme 1686– | | |
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| | | Marie Madeleine Le Gretz –1782 | | | | Jean-Baptiste Dorival 1698–1768 Anne-Madeleine Viel 1703–1791 | | |
| | | Pierre René Le Gretz –1787 Marie Elizabeth Charles – |
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