Étienne I de Penthièvre (c1060-1135)

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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-) . Notable ancestors include Charlemagne (747-814). Ancestors are from France, Germany, Belgium.


Offspring of Étienne de Penthièvre and Havoise de Guingamp (1075-)
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
Tiphaine de Penthièvre

Sources and notes

‡ General



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