During his father's reign, he appeared as witness of royal charters starting in 1011, and was given numerous properties in the county of Aragon, and by the division of Sancho's realm on the latter's death in 1035, the county of Aragon fell to Ramiro with the title of baiulus or steward. This was part of what would prove to be a larger division: Navarre and the Basque country went to eldest half-brother García, the county of Castile, already held by Ferdinand, reverted to its feudal fealty to the Kingdom of León, while the counties of Sobrarbe and Ribagorza fell to Gonzalo and Ramiro received lands in Aragon to hold under García.