Given a context passage, generate a question from the passage such that its answer is shortest continous span from the passage.

Prince Sultan Hamid Mirza Qajar (23 April 1918 -- 5 May 1988) was the head and heir presumptive of the Qajar dynasty, the former ruling dynasty of Iran, and the son of the last Qajar Crown Prince of Iran.
What family lineage was Hamid Mirza part of?