Jeanne was the daughter of unknown parents. The date and place of her birth have not been found.
Her husband was Jean de Coëtmen. They were married, but the date and place have not been found. They had no known children.
Note 1
fille du sire du Pont (Jean du Pont, seigneur du Mont-en-Léhart) et Rostrenen (Marguerite Rostrenen, dame héritière de Keroberan)