Question: Who is William Vii Of Jülich, 1St Duke Of Berg's paternal grandmother?
Sentence (from "Gerhard VI of Jülich, Count of Berg and Ravensberg"): Gerhard was betrothed in 1333 (renewed 1342) to Margaret of Guelders, daughter of Rainald II of Guelders and Sophia Betrout.
Relevant evidence: No