Whichever Elvira was Fernando's wife had married by 8 July 1117, when together the couple made a private donation of the monastery of San Salvador de Ferreira to the abbey of Cluny.
Elvira manapun yang menjadi istri Fernando menikah pada tanggal 8 Juli 1117, dan pasangan itu bersama-sama menyumbang secara pribadi ke biara San Salvador de Ferreira ke Biara Kluni.