Question: When did Esma'Il Mass'Oud's father die?
Sentence (from "Esma'il Mass'oud"): Mo'tamed ed-Dowleh) (1887–1968) was a Persian Prince of Qajar Dynasty, son of Mass'oud Mirza Zell-e Soltan and grandson of Nasser al-Din Shah Qajar.
Relevant evidence: Yes