Note from Xavier (reffed in Le Flem line under Yves Marie entry)

Francoise Campion, Born 07/10/1842 in Trezeny at 8 am
daughter “naturelle” (= out of marriage) of Marie Yvonne Campion, spinner, 25
No indication of the father’s name.
 
Marie Yvonne Campion was not born in Trezeny. She did not die in Trezeny, at least before 1902. It will be difficult to find more about this branch.