• Web Reference: Charles Cawley's Medieval Lands, Castile Nobility Urraca Ordóñez, possible daughter of Ordoño Ordóñez and his wife Anderquina. She was the wife of Sancho Sánchez señor de Erro y Tafalla.
Urraca married Sancho Sánchez, son of Sancho Macerátez and Andregoto. (Sancho Sánchez was born in Navarre, Iberia.)