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Bertha, Duchess of Brittany

 

Bertha, Duchess of Brittany

Bertha of Cornouaille (born circa 1114, died 1156), also known as Bertha of Brittany (Breton: Berthe Breizh ), was hereditary Duchess of Brittany between 1148 until her death[1] and Dowager Countess of Richmond. Bertha was the eldest daughter of Conan III of Brittany by Maude, the illegitimate daughter of King Henry I of England.[1] She was the last member of the Breton House of Cornouaille to reign over Brittany.

Life

Bertha was the daughter of Duke Conan III of Brittany. She married the son of Stephen of Treguier, Alan le Noir and she lived in England with Alan unitl his death in 1146. Alan would eventually become Earl of Richmond. After Alan's death she returned to Brittany as Dowager Countess of Richmond and eventually married Odo, Viscount of Porhoet. Two years after her marriage to Odo, her father Duke Conan III died. On his deathbed Conan III renounced Bertha's brother Hoèl as heir , and designated Bertha as his heiress. On Conan III's death she became hereditary Duchess of Brittany. [1]

Family

In her first marriage, by 1138, Bertha was married to Alan le Noir Bertha and Alan had three children:

Bertha married her second husband, Odo, Viscount of Porhoet in about 1148.[1] Bertha and Odo had three children:

  • Geoffroy de Porhoët.[2]

Succession

Bertha died in 1156 and with her death the ducal throne passed to her son Conan.

Notes

References

Bertha, Duchess of Brittany
House of Cornouaille
Born: c.1114 Died: 1156
Regnal titles
Preceded by
Conan III
Duchess of Brittany
1148–1156
Succeeded by
Conan IV
Brittany portal
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