He had a relationship with Agnès van Cornouaille.
Child(ren):
Franse graaf.
Bron Wikipedia NL
url (#https://nl.wikipedia.org/wiki/Odo_I_van_Penthi%C3%A8vre#)
Bron Wikipedia EN
url (#https://en.wikipedia.org/wiki/Odo,_Count_of_Penthi%C3%A8vre#)
Bron Wikipedia FR
url (#https://fr.wikipedia.org/wiki/%C3%89on_Ier_de_Penthi%C3%A8vre#)
Eudes I van Penthièvre | ||||||||||||||||||||||||||||||||||
Agnès van Cornouaille |