Question: Who is the mother-in-law of Beatrix Of Berg?
Sentence (from "Rupert I, Elector Palatine"): Rupert I "the Red", Elector Palatine (9 June 1309, Wolfratshausen – 16 February 1390, Neustadt an der Weinstraße) was Count Palatine of the Rhine from 1353 to 1356, and Elector Palatine from 10 January 1356 to 16 February 1390.
Relevant evidence: No