• Born: Josselin, Morbihan, Bretagne, France
• Married (1): 1148 or before
• Married (2) Aug 1167:
• Died: After 1180, La Trinite Porhoet, Morbihan, Bretagne, France

  Research Notes:

"Gaufredus vicecomes, Eudo filius eius…" witnessed a charter dated 15 Jun 1130 under which Donald Bishop of Saint-Malo confirmed a donation to the monks of Saint-Martin de Josselin.

Comte de Porhoët. He succeeded in 1148 as EUDES Duke of Brittany, by right of his first wife. "Eudo comes" founded the abbey of Notre-Dame de Lantenac by charter dated 1149, witnessed by "Josthos et Alanus fratres comitis, Alanus vicecomes de Monteforti…". "Eudo comes" confirmed a donation to Saint-Martin de Josselin, with the consent of "fratrum meorum…Joscii vicecomitis et Alani Ceoche", by charter dated 1153. "Eudo comes" donated property previously donated by "dominus Gaufridus pater meus" to the priory of Josselin on the advice of "fratrum meorum Joscii vicecomitis et Alani Ceoche" by charter dated 1153.

Deposed by his stepson in 1156, he was taken prisoner by Raoul de Fougères. The date of his death is indicated by a charter dated 1213 under which [her grandson] "Willelmus dominus Montiforten" confirmed donations to Montfort made by "antecessoribus meis...domino Gaufrido de Monteforti...W. avi mei", quoting a charter dated 1180 under which “Gaufridus dominus Montifortis sequens vestigial patris mei Willelmi” donated property with the consent of “uxore mea et filiis meis Rad. Will et Rolando...Eudone comite avunculo meo [identified as Eudes Comte de Porhoët, Duke of Brittany, her brother]...Oliverio patruo meo”. ¹