Belle was the daughter of unknown parents. The date and place of her birth have not been found.
She had two marriages/partners. Her first husband was Geoffroy VI de Châteaubriant, who she married on 2 JUL 1247. The place has not been found. Their two known children were Geoffroy VII (1257-1301) and Aliénor (?-?).
Her second husband was Olivier de l'Isle-Bouchard. They were married, but the date and place have not been found. They had no known children.
Note 1