Question: Who is Henry Ii, Margrave Of The Nordmark's paternal grandfather?
Sentence (from "Henry II, Margrave of the Nordmark"): Henry II (1102 – 4 December 1128), Margrave of the Nordmark, also Count of Stade (as Henry IV), son of Lothair Udo III, Margrave of the Nordmark, and Irmgard, daughter of Dietrich, Count of Plötzkau, and Mathilde von Walbeck.
Relevant evidence: Yes