Question: Who is the maternal grandfather of Agnes Of Bavaria, Margravine Of Brandenburg-Stendal?
Sentence (from "Agnes of Waiblingen"): Agnes of Waiblingen( 1072/ 73 – 24 September 1143), also known as Agnes of Germany, Agnes of Poitou and Agnes of Saarbrücken, was a member of the Salian imperial family.
Relevant evidence: No