Question: Who is the father-in-law of Queen Jeongan?
Sentence (from "Queen Jeongan"): Queen Jeongan (22 January 1355 – 2 August 1412) (정안왕후 김씨) also known as Queen Dowager Sundeok (순덕왕대비) was Queen Consort of King Jeongjong of Joseon, the second king of Joseon
Relevant evidence: Yes