Buyeo Ubok

a member of the royal family of Baekje, one of the Three Kingdoms of Korea.

He was a son of descendant of the 6th king, Gusu of Baekje.

[1] The Samguk Sagi records: In 321 he was appointed Minister of the Interior (Naeshinjoapyung, 內臣佐平).

In 327 he started a rebellion against his "half-brother" Biryu and took control of the fortresses north of the Han River.

The king dispatched soldiers to attack him and the rebellion was stopped.