| | Marie Jeanne Petton 1869–1930 | | | | Marie Françoise Goachet – |
| | | 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 | | |
| | | Yves François Cozien 1785–1859 Marie Françoise Bizien 1790–1843 |
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