Arbre compact de Adélaïde Cousin
| Piat Eleuthère Gabriel Cousin 1703–1769 | Nicolas Petit –1730 | Antoine Joseph Petit 1708–1785 | Michelle Laloy 1671–1737 | ||||||||||
| Gervais Placide Joseph Cousin 1738–1814 |
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Catherine Françoise Petit 1738–1807 | |||||||||||
| Adrien de Bay – | |||||||||||||
| de Lobel 1707–1764 | Jean Baptiste Descamps 1670–1709 | Catherine Thérèse Descamps 1706–1738 | Anne Marie de Bay 1673–1727 | ||||||||||
| Marie Françoise Leleu – | |||||||||||||