Tags: Noble.
Guiscarda (or Guiscarde) (died 1154) was the eldest child of Gaston IV of Béarn and Talesa of Aragon. She later succeeded her younger brother Centule VI as viscountess in 1134.Guiscarda first married Peter III of Gabarret who died before she succeeded to Béarn. Her son by him Peter II also succeeded in 1134. Guiscarda’s mother acted as primary regent Guiscarda only secondarily.