Seong Sammun was a scholar-official of early Joseon who rose to prominence in the court of King Sejong the Great (ruled 1418 - 1450). He was executed after being implicated in a plot to dethrone King Sejo (r. 1455 - 1468) and restore his predecessor King Danjong (r. 1452 - 1455), and is known as one of the "sayuksin" (사육신, the six martyred ministers) with reference to this plot. Seong Sammun was born in Hongseong (then Hongju), … Wikipedia
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