Berthe was born about 1114 in Richemont, Cherves-Richemont, Cognac, Charente, Poitou-Charentes, France , the daughter of Conan III de Cornouaille and Mathilde Fitz Roy.
She died in 1157 in Richmond, Yorkshire, England .
She had two marriages/partners. Her first husband was Alain III de Penthièvre, who she married in 1137. The place has not been found. Their four known children were Conan IV (c1138-1171), Constance (c1140->1184), Enoguen (?-1187) and Brian (c1145-?).
Her second husband was Eudon II de Bretagne, who she married in 1148. The place has not been found. Their five known children were Aelis (c1150-c1235), Geoffroy (?-?), Adelice (?-?), Amicie (?-?) and Eudes III (c1188-1234).
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Berthe I de Cornouaille |
Conan III de Cornouaille |
Alain IV de Bretagne |
Hoël II Caignart |
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Havoise de Bretagne |
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Ermengarde d'Anjou |
Foulques IV d'Anjou |
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Hildegarde de Beaugency |
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Mathilde Fitz Roy |
Henri I de Normandie |
Guillaume de Normandie |
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Mathilde de Flandre |
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| Event | Date | Details | Source | Multimedia | Notes | ||
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| Birth | ABT 1114 |
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| Death | 1157 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | 1148 | ducesse de Bretagne |