Harvey I, Viscount of Léon

Harvey I of Léon (died after 1128) was a Viscount of Léon.

Harvey I was the son of Guihomar II and the father of Guihomar III.

"Harvey son of Guihomar of Léon" is said to have taken part to the First Crusade between 1096 and 1101 with Duke Alan IV Fergent.

Harvey I founded the priory Saint-Martin of Morlaix on 3 March 1128. His son and successor Guihomar signed with him the foundation charter of the priory of Saint-Martin.

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