Éon was born in 0999 in Bretagne, France, the son of Geoffroy I Bérenger de Bretagne and Havoise de Normandie.
He died on 07 JAN 1079. The place is not known.
He had two marriages/partners. His first wife was Agnès Canhiart. They were married, but the date and place have not been found. Their five known children were Étienne I (c1055-1137), Geoffroy I (?-?), Brian (?-1072), Alain I (c1040-1093) and Alain (?-1098).
His second wife is not known. They were married, but the date and place have not been found. Their only known child was Darrien (?-?).
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Éon I de Bretagne |
Geoffroy I Bérenger de Bretagne |
Conan I de Bretagne |
Judicaël Bérenger de Nantes |
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Ermengarde d'Anjou |
Geoffroy I d'Anjou |
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Adèle de Meaux |
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Havoise de Normandie |
Richard I de Normandie |
Guillaume I de Normandie |
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Sprota de Bretagne |
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Gunnor de Crépon |
Herbast de Crépon |
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| Event | Date | Details | Source | Multimedia | Notes | ||
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| Birth | 0999 |
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| Death | 7 JAN 1079 |
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| Burial | 1079 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | FROM 1035 TO 1079 | comte de Penthièvre | ||||
| Nobility Title | FROM 1040 TO 1056 | comte associé de Bretagne |