 In 1043, apparently with the approval of García, he annexed Sobrarbe and Ribagorza, previously held by his youngest legitimate half-brother, Gonzalo.This union created a pseudo-independent Aragonese state, with its capital at Jaca, that would give rise to the Kingdom of Aragon.Before he was married, Ramiro had a mistress named Amuña with whom he had a natural son, Sancho Ramírez, in whom he confided the government of the county of Ribagorza.