 Urraca's other sisters, Mayor, Elvira García of Castile, and Oneca probably had not been born yet or were too small to be present in the ceremony.Urraca governed the monastery as its abbess.After her brother Sancho was killed, she shared the regency for García Sánchez of Castile together with Jimena Fernández, the widow of King García Sánchez II, Jimena's son, King Sancho III of Pamplona, and by the king's wife and Urraca's niece, Queen Muniadona.