King Guisin of Baekje (?-427, r. 420-427) was the 19th king of the ancient Korean kingdom of Baekje, one of the Three Kingdoms of Korea. He was the eldest son of King Jeonji and Lady Palsu.
The traditional dates of King Guisin's rule are based on the Samguk Sagi. On the basis of more contemporaneous Chinese records, Best (1979) has suggested that the years 414-429 or 430 are more plausible.
In 420, the new Song dynasty of China sent envoys to Baekje and many other states, re-confirming or enhancing the titles granted by the fallen Eastern Jin. They gave King Guisin the title "Great General Stabilizing the East." In 424, King Guisin replied with a tribute mission to the Song court. In 425, Song sent a mission praising his loyalty. He sent tribute missions every year thereafter. These ties with Song may have been intended to counterbalance Goguryeo’s ties with the Northern dynasties in this period.
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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