Regino names "Ruodolfus filius Chuonradi, nepos Huggonis abbatis" when recording his occupation of the land between "Iurum et Alpes Penninas…at apud sanctum Mauritium". He succeeded his father in the latter's territories, with the title "marchio". Emperor Karl III "der Dicke" granted property "in comitatu Waldense" to "vassallo Rudolfi…marchionis" by charter dated 15 Feb 885.
He was proclaimed RUDOLF I King of Upper Burgundy at the abbey of Saint-Maurice in Valais in Jan 888 by the nobility of the ancient duchy of Transjurania, his territory consisting of Savoie, Valais, Jura, Franche-Comté and adjacent Swiss territories. He attempted to have himself recognised as king in Lotharingia and was crowned at Toul in Spring 888 by Arnaud Bishop of Toul, but by Jun 888 he was obliged to leave Lorraine and Alsace unconquered.
Herimannus records the death in 912 of "Roudolfus rex Burgundiæ". The Annales Lausannenses record the death "911 VIII Kal Nov" of "Ruodolfus rex". 1
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