Urraca was the daughter of unknown parents. The date and place of her birth have not been found.
Her husband was Álvaro Pérez de Lara. They were married, but the date and place have not been found. They had no known children.
Note 1
fille de Diego I López el Blanco de Haro , seigneur de Vizcaya, seigneur de Haro, et Munia = Maria Sánchez de Pamplona