Question: Who is Agnes Of Bavaria, Margravine Of Brandenburg-Stendal's maternal grandmother?
Sentence (from "Agnes of Bavaria, Margravine of Brandenburg-Stendal"): In 1290, in Donauwörth, she married Henry "the Younger" of Hesse (1265 – 23 August 1298), a son of Landgrave Henry I of Hesse (1244–1308).
Relevant evidence: No