Input (grade 12): The minority of Count GarcÃ a SÃ nchez led Castile to accept Sancho III of Navarre, married to the sister of Count GarcÃ a, as feudal overlord.
Output (grade 12): In 1028 Sancho III the Great, of Navarre, married the sister of count GarcÃ a SÃ nchez and inherited title to the County of Castile after his brother-in-law's death.