King Biyu of Baekje (?-455, r. 427-455) was the 20th king of the ancient Korean kingdom of Baekje, one of the Three Kingdoms of Korea. According to Japanese accounts, he was an illegitimate child.
The traditional dates of King Biyu's rule are based on the Samguk Sagi. On the basis of more contemporaneous Chinese records, Best (1979) has suggested that the years 428 or 429-455 are more plausible.
In 430, Chinese chronicles record a tribute mission arriving at the Song dynasty court from King Biyu. The court then confirmed King Biyu in the titles conferred upon his father. Additional tribute missions were sent in 440, 443 and 450.
Within the Korean peninsula, King Biyu sought to strengthen Baekje’s relationship with Silla, exchanging ambassadors in 433 and 434. Although Silla was a protectorate of Goguryeo at this time, Silla and Baekje now allied themselves against Goguryeo.
References
Best, J.W. (1979). Notes and questions concerning the Samguk sagi's chronology of Paekche's kings Chonji, Guishin, and Piyu. Korean Studies, 3, 125-134.
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