[2] On the death of García Ordóñez at the Battle of Uclés (1108), the tenencias of Grañón, Nájera and Haro passed to Diego by an act of Alfonso VI.

[1] In August Urraca, then advancing with her army on Zaragoza, confirmed some rights and privileges of the monastery of San Millán de la Cogolla, an act confirmed by the three most important magnates of the region: Sancho, Count of Pamplona, Diego, described as senior in Nagera,[3] and Íñigo Jiménez de los Cameros, dominante in Calahorra.

In February 1117 Alfonso made a donation to Santa María la Real de Nájera calling himself Imperator and still claiming the kingdoms of Urraca.

The charter is in the style of the Leonese chancery and its authenticity has been called into question, but it may reflect a moment of heightened negotiations between Alfonso and Urraca.

[7] Diego remained on good terms with Alfonso in 1118, when he participated in the Reconquista of the great city of Zaragoza, and into 1119, taking part in the continuing conquest of the taifa.

[4] She gave four sons: Lope Díaz I, who later ruled Biscay and Álava, and three obscure names, Sancho, Fortunio and Gil.