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Étienne I Bretagne de Penthièvre, Count of Lamballe, Count of Penthièvre, Count of Tréguier, Earl of Richmond, was born circa 1060 to Éon I de Penthièvre (999-1079) and Agnes de Cornouaille (?-?) and died circa 1135 of unspecified causes. He married Havoise de Guingamp (1075-) .
Children
Name | Birth | Death | Joined with |
Geoffroy II de Penthièvre | |||
Alan, 1st Earl of Richmond (c1100-1146) | 1100 | 15 September 1146 | Bertha de Bretagne (c1114-1156) |
Henri I d'Avagour (c1110-1183) | 1110 | 1183 | Fille de Leon Mahaut de Vendôme (1132-1214) |
Agnorie de Penthièvre (1106-1167) | 1106 | 1167 | Olivier II de Dinan (1085-1150) |
Olive de Penthièvre (c1095-c1142) | 1095 | 1142 | Henri I de Fougères (-1154) |
Mathilde de Penthièvre (c1098-1135) | 1098 | 1135 | Walter de Gaunt (c1092-1139) |
Tiphaine de Penthièvre |
Footnotes (including sources)
‡ General |