Question: Who is the maternal grandmother of Karl Friedrich, Prince Of Hohenzollern?
Sentence (from "Princess Margarita of Leiningen"): (born 9 May 1932 in Coburg, Bavaria, Germany; committed suicide on 16 June 1994 in Überlingen, Baden-Württemberg, Germany) was a Princess of Leiningen by birth and the Princess of Hohenzollern by marriage.
Relevant evidence: No