Question: Who is Doquz Khatun's father-in-law?
Sentence (from "Hulagu Khan"): Hulagu Khan, also known as Hülegü or Hulegu ("Hulâgu xân"; Arabic: هولاكو خان/ هَلَاوُن; ; 8 February 1265), was a Mongol ruler who conquered much of Western Asia.
Relevant evidence: No