 Rudolf I, Margrave of the Nordmark

Rudolf I (died 7 December 1124), Margrave of the Nordmark and Count of Stade, son of Lothair Udo II, Margrave of the Nordmark, and Oda of Werl, daughter of Herman III, Count of Werl, and Richenza of Swabia.Rudolf was the brother of his predecessors Henry I the Long and Lothair Udo III.