| | Nicolas Lefrancq 1705–1788 Aldegonde Mathelin 1712–1769 | | | | Pierre Antoine Lefrancq –1722 | | | | Antoine Lefrancq 1630–1698 Marguerite Desmontaignes 1650– Antoinette Bocquet 1630–1710 | | | | Catherine de Hennin 1610–1680 | | |
| | | Mathieu Bocquet 1600–1658 Antoinette Lemaire 1600–1658 |
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