Question: When did Jaroslava Muchová's father die?
Sentence (from "Jaroslava Muchová"): Jaroslava Muchová Syllabová (15 March 1909, New York, United States - 9 November 1986, Prague, Czechoslovakia) was a Czech painter, the daughter of painter Alphonse Mucha and the sister of writer and translator Jiří Mucha.
Relevant evidence: Yes