Geoffroy was the son of Josselin I de Dinan and Salomé de Léon. The date and place of his birth have not been found.
Josselin I de Dinan |
Hamon I d'Aleth |
Alain II |
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Roscille de Blois |
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Roianteline de Dol |
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Salomé de Léon |
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Note 1
compagnon de Guillaume le Conquérant à la Conquête de l‘Angleterre, en 1066, puis croisé en 1096