Question: Who is William Vii Of Jülich, 1St Duke Of Berg's paternal grandmother?
Sentence (from "William VII of Jülich, 1st Duke of Berg"): William VII of Jülich, 1st Duke of Berg (– 25 June 1408) was born in Jülich, as the son of Gerhard VI of Jülich, Count of Berg and Ravensberg, and Margaret, daughter and heiress of Otto IV, Count of Ravensberg, and Margaret of Berg.
Relevant evidence: Yes