King Philippe II confirmed a charter dated 1218 under which “Guillaume des Roches sénéchal d’Anjou partant pour l’Albigeois” established the rights in his succession of “Jeanne et Clémence ses deux autres [“autres” a mistake?] filles”, with the consent of “Marguerite de Sablé sa femme et d’Amauri de Craon mari de sa fille aînée”, by charter dated Mar 1219, which specifies that the former would receive Sablé, Briollai, Châteauneuf-sur-Sarthe, Précigné et Brion and the latter Château-du-Loir, Maiet, la Suze and Louplande. "Amorricus de Credone et Johanna uxor eius et Clementia quondam comitis Blesensis" ratified the division of his fiefs made by "pater noster Guillelmus de Rupibus senescalus Andegavensis de consensu…matris nostre Margarite de Sabolio uxoris sue" by charter dated May 1219. "Amaury de Craon et Jeanne de Roches, Geoffroy de Châteaudun et Clémence des Roches" confirmed the donation of revenue made to Bonlieu abbey by “Guillaume des Roches et Marguerite de Sablé” by charter dated [16/31] Jul 1222. "M[argarita] domina Sabolii [...quondam uxor domini Guillelmi], Amauricus de Credone senescallus Andegavensis [...Johenna uxore mea], G[aufridus] vicecomes Castriduni [...de assensu...Clementiæ uxoris meæ]" confirmed exemptions granted to the inhabitants of Cohémon by “dominus noster bonæ memoriæ G[uillelmus] de Rupibus seneschallus Andegavensis” by charter dated 1222 [after 15 Jul]. “Johanna de Credona, Andegavie senescalla” did homage to Louis IX King of France for “senescaltia Andegavie, Cenomannie et Turonie…bone memorie Guillelmus de Ruppibus, genitor noster…tenuit” by charter dated 27 Jan 1226.
She succeeded her father as Seneschale d’Anjou.
The Chronicon Savigniacense records the death "IV Kal Oct" in 1238 of "Iohanna uxor Amalrici de Creon". 2
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