Son of Ramiro. King of Aragon 1063-1094 and Navarre 1076-1094. He managed to maintain independence against Alfonso in the west while increasing his dominions through reconquest of Muslim territory to the east and south.
Sancho Ramirez succeeded to the throne after his father's death fighting the Moors at the Battle of Graus. After the murder of Sancho of Navarre, the local nobility put Sancho Ramirez on the throne in order to thwart Alfonso's ambitions to expand eastward. During his lifetime Sancho managed to reconquer Muslim territory, including Monzon. In a further attempt to stave off Alfonso, he placed his kingdoms under the protection of the Pope in 1089. He died trying to take Huesca for Christendom.
Then King Don Ramiro being discomfited, retired to a mountain, and King Don Sancho beset the mountain round about, and made a covenant with him that he should depart, and that the King of Zaragoza should remain tributary to Castille; and but for this covenant the King of Aragon would then have been slain, or made prisoner.
The tidings of this great enterprise spread far and wide, and adventurers came from all parts to be present, not only they of Castille and Leon, Asturias and Nagera, Galicia and Portugal, but King Sancho Ramirez of Aragon came also, with the flower of Aragon and Navarre and Catalonia, and Franks and Germans and Italians, and men of other countries, to bear their part in so great and catholic a war.