The seneschalship passed to her husband, Amaury I, Sire de Craon, as well as the vast Sablè barony.
Jeanne's father was a knight who had fought in the Third Crusade in the service of the Angevin kings of England and King Philip II of France.
Upon her father's death on 15 July 1222 Jeanne, being the eldest surviving child, succeeded to the seneschalship of Anjou, as well as his vast lordships which included Sablé, La Suze, Briollay, Mayet, Loupeland, Chateauneuf-sur-Sarte, Genneteil, Precigné, and the Norman manor of Agon.
Jeanne did homage to King Louis IX of France for Senescaltia Andegavie, Cenomannie et Turonie.. bone memorie Guillmus de Ruppiebus, genitor noster...tenuit in a charter dated 27 January 1226.
By March 1219 Jeanne was married to Amaury I, Sire de Craon.