Bertha of Brittany (d. 1163)

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Bertha of Brittany (d. 1163)

Duchess of Brittany. Name variations: Bertha Fergaunt. Birth date unknown; died in 1163; daughter of Conan III, duke of Brittany, and Matilda (illegitimate daughter of King Henry I of England); married Odo of Porhoet, duke of Brittany; married Alan III, 1st earl of Richmond; children: Conan IV, duke of Brittany.

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