Question: Who is the father-in-law of Bayan Khutugh?
Sentence (from "Bayan Khutugh"): According to the "Yuanshi", Bayan Qudu was known for being "frugal, unjealous, and thoroughly observant of ritual and regulation," which was a sharp contrast to the character and nature of the emperor's favourite concubine, Lady Ki (later known as Öljei Quduq).
Relevant evidence: No