Question: When did Johann Leopold, Hereditary Prince Of Saxe-Coburg And Gotha's mother die?
Sentence (from "Ernst Leopold Prinz von Sachsen-Coburg und Gotha"): Ernst Leopold, Prinz of Saxe- Coburg and Gotha( Ernst Leopold Eduard Wilhelm Josias; 14 January 1935 – 27 June 1996) was a Prince( German:), and the elder son of Johann Leopold, Hereditary Prince of Saxe- Coburg and Gotha and Baroness Feodora von der Horst.
Relevant evidence: No