Chungsuk of Goryeo

Chungsuk (1294–1339), born Wang To and later renamed Man, was the 27th king of Goryeo, son of Chungseon and the Mongol consort Yasokjin. He grew up in Dadu and became king in 1313 when his father abdicated.

After Chungseon was exiled to Tibet in 1320, Chungsuk organized petitions for his release, but his rival Wang Go intercepted them. In 1322 Wang Go's supporters had him summoned to Dadu, where he was held until 1323; returning in 1324, he dismissed the signatories.

He abdicated to his son Chunghye in 1330 and was restored in 1332 when Yuan deposed Chunghye, making peace with Wang Go the next year. He changed his name to Man in 1335 and died in 1339.