| | Guillaume Marie Petton 1833–1898 Marie Claudine Guénéguès 1841–1922 | | | | Jean Joseph Guillaume Petton 1801–1851 Anne Yvonne Angélique Mengant 1800– |
| | | Jean François Marie Guennégueux 1804–1868 Jeanne Françoise Cozien 1812–1878 | | | | Claude le Guennéguez 1763–1845 Isabelle Louarn 1771–1827 | | | | Jean le Vennégeus 1726–1804 Françoise Richard 1733–1816 | | |
| | | Marie Anne Laot 1740–1809 | | |
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| | | Yves François Cozien 1785–1859 Marie Françoise Bizien 1790–1843 |
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