Guihomar I, Viscount of Léon
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Guihomar I of Léon was one of the first Viscounts of Léon. He lived c. 970 - 1055.
Léa Chaillou believes that he was born circa 970, the son of Alan de Léon, himself the son of a possible great-granddaughter of Alan I, King of Brittany.[1] He is cited in 1021[2] and in 1034 or 1040.[3] He is said to have owned estates in the Kemenet-Héboé[4] in the Bishopric of Cornouaille. This rise in power threatened Alain Canhiart, the Count of Cornouailles, who was victorious in 1055 and gave the hamlet of Lezugar en Beuzec to the episcopal authority. Guihomar I was still alive at the time.[5]