[3] The King also disregarded the claim of Pope Gregory VII's candidate, Atto, to the archbishopric.
[1][6] The Pope regarded Tedald as a rebel and a renegade and accused him of claiming the see of the lawful archbishop, Atto.
[8] Henry IV made his three-year-old son, Conrad, his lieutenant in Italy before returning to Germany early in 1077.
[10] Tedald was one of the nineteen Italian prelates to attend the synod that Henry IV held at Brixen on 25 June 1080.
[11] Historian David J Hay has suggested Tedald was the leader of the coalition of Lombard bishops that defeated Matilda of Tuscany at the battle of Volta Mantovana in October 1080.