He was the elder of twins, his younger brother being the later viscount William Raymond. After their birth, in light of the conflict in Béarn over the succession, Mary fled with them to the monastery of Santa Cruz de Volvestre.
He was the senior of twins, with his sibling destined to be later viscount William Raymond. After their arrival due to conflicts over succession in Béarn, Mary took them to the Santa Cruz de Volvestre monastery.