Family Lines: BUISSON BISSON, BUISSON DE ST COSME, ROCHON ROCHERON, YVON.
Places: Saint-Cosme-de-Vair, Maine, Charente, Poitou-Charentes, France; Quebec, Canada; Saint-Come-de-Vair, Sarthe, Pays de la Loire, France; Saint-Cosme-en-Vairais, Pays de la Loire, France.