Question: When did Mirza Dara Bakht's father die?
Sentence (from "Bahadur Shah Zafar"): Bahadur Shah Zafar or Bahadur Shah II  (born as Mirza Abu Zafar Siraj-ud-din Muhammad) (24 October 1775 – 7 November 1862) was the last Mughal emperor.
Relevant evidence: Yes