| | Usmar Emmanuel Joseph Thomas 1783–1853 Isabelle Amélie Lacqueman 1785–1830 Rose Sophie Adèle Joseph FOURMENTAUX 1803– | | | | Usmar Joseph Thomas 1755–1823 Marie Catherine Joseph L'herminez 1757– | | | | Marie Marguerite Vallart – |
| | | Louis Joseph L'herminez 1732– Marie Henriette Joseph Beauvent 1719– | | |
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| | | Antoine Joseph Lacqueman 1761– Barbe Angélique Joseph , Viscour, Viscourt 1758–1780 | | | | François Joseph Viscour 1732–1756 Jeanne Caudrelier 1729–1757 | | |
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