Question: Who is the maternal grandmother of Karl Friedrich, Prince Of Hohenzollern?
Sentence (from "Constantine, Prince of Hohenzollern-Hechingen"): Constantin, Prince of Hohenzollern- Hechingen( Friedrich Wilhelm Konstantin Hermann Thassilo; 16 February 1801 – 3 September 1869), was the last Prince of Hohenzollern- Hechingen.
Relevant evidence: No