Question: When did Jeongjong Of Joseon's father die?
Sentence (from "Taejo of Joseon"): Taejo of Joseon (October 27, 1335 – May 24, 1408), born Yi Seong-gye, whose changed name is Yi Dan, was the founder and the first king of the Joseon dynasty of Korea reigning from 1392 to 1398, and the main figure in overthrowing the Goryeo Dynasty.
Relevant evidence: Yes