Events
Date of Birth: unknown.
Place of Birth: unknown.
Guéthenoc is first attested in 1008.
Date of Death: about 1040.
Place of Burial: the church of Redon, Brittany.
The date and place are given by Halgouet (p. 19).
Relationships
Father: unknown.
Mother: unknown.
Spouse: Alarum de Cornouailles, sister of Alain Canhiart.
This relationship is given by Halgouet (p. 19). Alarum was the daughter of Benedict, count and bishop of Cornouaille. Benedict is said by Pierre le Baud to be a descendant of Riwal Meur Marshou (died about 520), a leader of the Breton immigration to Armorica.
Children:
(Complete source citations for facts about the children on this page are currently outside of the scope of this project.)
Maingui
Tutgual
References
de Halgouet, le vicomte Hervé. Essai sur le Porhoët. (1906).