Background
He was the youngest son of Count Raymond Berenguer IV of Barcelona and Queen Petronilla of Aragon.
He was the youngest son of Count Raymond Berenguer IV of Barcelona and Queen Petronilla of Aragon.
In 1185, Alfonso dispossessed Sancho in order to make peace with the House of Toulouse. Nonetheless, Sancho continued to maintain the title of count of Roussillon. He was a regent for the young King James I.
Sometime before 1184, Sancho married Ermesinda of Rocabertí, daughter of Geoffrey of Rocabertí and Ermesinda de Vilademuls.
By her he had one son, Nuño.