Roger IV, son and successor of Roger-Bernard II the Great, was the eighth count of Foix from 1241 to his death. His mother was Ermessenda de Castellbò. Wikipedia
Died: February 24, 1265
Parents: Roger-Bernard II, Count of Foix and Ermessenda de Castellbò
Grandchildren: Gaston I, Count of Foix, Sancho of Majorca, Sancia of Majorca, and more
Partner: Brunissenda de Cardona (1231–)