Question: Who is Gerhard Vi Of Jülich, Count Of Berg And Ravensberg's mother-in-law?
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