Sejo of Joseon

|rr=Sejo |mr=Secho |hangulborn=이유 |hanjaborn= |rrborn=I Yu |mrborn=Yi Yu |hangulja=수지 |hanjaja= |rrja=Suji |mrja=Suchi|title=}}

Sejo (; 7 November 1417 – 23 September 1468), personal name Yi Yu (), sometimes known as Grand Prince Suyang (), was the seventh monarch of the Joseon dynasty of Korea. He was the second son of Sejong the Great and the uncle of King Danjong, against whom he led a ''coup d'état'' in 1453. Provided by Wikipedia