Diego was the Bishop of León from 1112 or 1113 until his deposition in 1130. Richard A. Fletcher (1978
''The Episcopate in the Kingdom of León in the Twelfth Century''
(Oxford: Oxford University Press), 69–70. He succeeded his uncle Pedro, whose episcopate, and life, had ended in exile after the Battle of Candespina (1111). After a brief usurpation by Archbishop Maurice of Braga, Diego was elected to replace Pedro. Diego spent much of his episcopate repairing his diocese from the damage wrought by the civil war between the supporters of Queen Urraca and

Alfonso the Battler Alfonso I (''c''. 1073/10747 September 1134), called the Battler or the Warrior ( es, el Batallador), was King of Aragon and Navarre from 1104 until his death in 1134. He was the second son of King Sancho Ramírez and successor of his brother Pet ...

. There is evidence from 1120 and from a royal charter of 4 November 1123 of Diego "exploiting new sources of revenue, restoring the property of the chapter and the ecclesiastical routine of the cathedral, settling a dispute with his chapter." He continued his uncle's struggle for independence from the archdiocese of Toledo, at which he was not initially successful. In 1121 Pope Calixtus II declared León a

suffragan A suffragan bishop is a type of bishop in some Christian denominations. In the Anglican Communion, a suffragan bishop is a bishop who is subordinate to a metropolitan bishop or diocesan bishop (bishop ordinary) and so is not normally jurisdictiona ...

of Toledo. In 1125

Honorius II Pope Honorius II (9 February 1060 – 13 February 1130), born Lamberto Scannabecchi,Levillain, pg. 731 was head of the Catholic Church and ruler of the Papal States from 21 December 1124 to his death in 1130. Although from a humble background, ...

confirmed it, but by 1130 Diego had succeeded in getting this decision reversed and regained his prior exemption.Fletcher, 69 n. 177: "All direct evidence of this is lost, but it may be inferred from ope/nowiki> Innocent II's reactions in 1130." He did not have it for long. He was deposed by a synod held in

Carrión de los Condes Carrión de los Condes () is a municipality in the province of Palencia, part of the Autonomous Community of Castile and León, Spain. It is 40 kilometers from Palencia, on the French Way of the Way of Saint James. History Carrión de los Condes ...

in 1130, probably at the instigation of his Toledan opponents. His successor, Arias, was illegally consecrated by the archbishop of Toledo.

Notes

{{DEFAULTSORT:Diego (bishop of Leon) Bishops of León 12th-century Roman Catholic bishops in Spain