Guihederch was born about 1350. Guihederch's father was Jean II Du Juch. Her paternal grandfather was Henri Ier Du Juch. She was an only child. She died in 1406.
General Notes
#Générale# Bertrand Yeurch la dit fille de Jean III et non de Jean II mais cela p ose de gros problèmes de concordance de dates avec les familles de Pen march et du Ploeuc alliées aux generations suivantes.