Question: What is the date of death of Karl Anton, Prince Of Hohenzollern's mother?
Sentence (from "Karl Anton, Prince of Hohenzollern"): Prince Karl Anton of Hohenzollern-Sigmaringen  (7 September 1811 – 2 June 1885) was head of the Princely House of Hohenzollern-Sigmaringen, Hohenzollern from 1869 and Prime Minister of Prussia.
Relevant evidence: No