Question: Who is the father-in-law of Xu Xinyue?
Sentence (from "Xu Xinyue"): (né Qian Chuanguan, name changed to Qian Yuanguan upon his succession to the throne), the second king of the Chinese state Wuyue of the Five Dynasties and Ten Kingdoms period, and the mother to his son and successor Qian Hongzuo (King Wenxian).
Relevant evidence: No