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Concept
Seongjong of Joseon
Summary
Seongjong of Joseon (19 August 1457 – 20 January 1495), personal name Yi Hyeol (Korean: 이혈; Hanja: 李娎), was the ninth ruler of the Joseon dynasty of Korea. Before succeeding his uncle, King Yejong, he was known as Grand Prince Jalsan (Korean: 잘산대군; Hanja: 乽山大君).
Yi Hyeol was born as the second son of Crown Prince Yi Jang and Crown Princess Su of the Cheongju Han clan. His father however died few months after his birth. In 1461, he was named Prince Jasan (자산군) which was changed to Prince Jalsan (잘산군) in 1468.
In 1467, he married Han Song-yi, the youngest daughter of Han Myeong-hoe. One of Lady Han's older sisters was the late Crown Princess Jangsun, first wife of King Yejong.
Despite having an older brother and his uncle leaving behind a biological son, Jalsan was chosen as successor and was made the adopted son of King Yejong and his second wife, Queen Han (posthumously known as Queen Ansun).
After he ascended to the throne, his biological father was honored with the temple name "Deokjong" (덕종, 德宗), while his mother became queen and was given the honorary name "Insu" (인수, 仁粹).
Since Seongjong was only 12 when he was crowned, his grandmother Grand Royal Queen Dowager Jaseong, ruled the nation along with his biological mother Queen Insu, and his aunt (and adoptive mother) Queen Dowager Inhye. In 1476, at the age of 19, he began to govern the country in his own name.
After the death of his first wife in 1474, Seongjong decided to promote one of his concubines, Lady Yun, to the status of primary wife and queen.
His reign was marked by the prosperity and growth of the economy, based on the laws laid down by Taejong, Sejong, and Sejo. He himself was a gifted ruler. In 1474, the Grand Code for State Administration, started by his grandfather, was completed and put into effect. Seongjong also ordered revisions and improvements to the code.
Official source
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