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Geoffroy I de Penthièvre was born on an unknown date to Éon I de Penthièvre (999-1079) and Agnes de Cornouaille (?-?) and died 1093 Dol of unspecified causes.
Children
Name | Birth | Death | Joined with |
Conan de Penthièvre (?-1093) |
Wikipedia | |||||
|
Geoffroy I de Penthièvre was born on an unknown date to Éon I de Penthièvre (999-1079) and Agnes de Cornouaille (?-?) and died 1093 Dol of unspecified causes.
Name | Birth | Death | Joined with |
Conan de Penthièvre (?-1093) |