About Guihomar III of Léon
Lived 1080 – 1157 (aged 76–77). Guihomar III of Léon was an aristocrat.
Guihomar III of Léon (c. 1087–1157) was a Viscount of Léon. He succeeded his father Harvey I.
Life Very few things are known about Guihomar III’s life.
His name appears firstly in the charter of foundation of the priory Saint-Martin of Morlaix made by his father in 1128.
He is also cited in the charter of the foundation of the priory of Saint-Melaine of Morlaix (c. 1145-1147) made by his son Harvey II, who mentions “pater meus G. vicecomes”.
Issue The name of Guihomar’s wife is not known. They had two sons : Harvey II who succeeded his father and married Sybilla, an illegitimate daughter of King Stephen. Guihomar, mentioned in 1164 with his son Josselin
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Important facts
People in Guihomar III of Léon's life
Named in this biography and alive at the same time
Related people
Same field, nearest in time
Contemporaries
People whose lives overlapped Guihomar III of Léon's
Frequently asked questions
Who was Guihomar III of Léon?
Viscount of Léon, Breton nobleman
When was Guihomar III of Léon born?
Guihomar III of Léon was born in 1080.
When did Guihomar III of Léon die?
Guihomar III of Léon died in 1157.
What was Guihomar III of Léon's occupation?
Guihomar III of Léon was an aristocrat.
Sources & further reading
· Wikipedia: Guihomar III of Léon
· DBpedia: Guihomar III, Viscount of Léon
Cite this page
APA: Biography.guide. (2026). Guihomar III of Léon. https://biography.guide/guihomar-iii-of-leon/
MLA: "Guihomar III of Léon." Biography.guide, https://biography.guide/guihomar-iii-of-leon/.
Chicago: "Guihomar III of Léon." Biography.guide. https://biography.guide/guihomar-iii-of-leon/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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