Dear,
you have the birth certificates of Auxerre online at :
http://archivesenligne.yonne-archives.fr/archive/recherche/e...but french language is perhaps a problem for you.
daughter of Alfred Firmin Vadorin building painter 32 yo and Antonia Berthe Jeannin 24 yo
Witnesses : Charles Vieillard building painter 61 yo and Emile Jeannin, owner, 50 yo living in Orgy Chevannes Yonne.
Regards