Question: Who is Fatimah El-Sharif's father-in-law?
Sentence (from "Idris of Libya"): Idris (El Sayyid Prince Muhammad Idris bin Muhammad al-Mahdi as-Senussi; 12 March 1889 – 25 May 1983) was a Libyan political and religious leader who served as the Emir of Cyrenaica and then as the King of Libya from 1951 to 1969.
Relevant evidence: Yes