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"): However, when Bernhard died in 1346 without issue, Margaret became the heir of Ravensberg, her elder sister Hedwig having died in 1336.<br>
Relevant evidence: No