Question: When did Chaya Mushka Schneerson's father die?
Sentence (from "Yosef Yitzchak Schneersohn"): Yosef Yitzchak (Joseph Isaac) Schneersohn (21 June 1880 – 28 January 1950) was an Orthodox rabbi and the sixth Rebbe (spiritual leader) of the Chabad Lubavitch chasidic movement.
Relevant evidence: Yes