Yi Jeung

Yi Jeung (12 August 1427 – 16 August 1464), formally known as Prince Gyeyang, was the eighth son of Sejong the Great born by Royal Noble Consort Shin. Among his father's sons, he was the most favoured, along with his young half-brother, Prince Yeongeung.

Biography
Yi jeung was born on 16 August 1427 as the son of King Sejong and Lady Kim, who was at that time a court lady.

In January 1434 (the 16th year of King Sejong), he was granted the title of Prince Gyeyang.

He helped his older half-brother, Grand Prince Suyang, and participated in a coup d'état against his nephew, King Dajong. After Sejo's accession to the throne, he was given the rank of Jwaik Gongsin. Right after Sejo's accession to the throne, he gained his trust and was favored by his brother. Since then, he has participated in various royal events.

His wife is Lady Han, the daughter of Han Hwak, the Councillor of Joseon, and the older sister of Queen Sohye, who was King Sejo’s daughter-in-law and King Uigyeong’s wife.

Family
Parents


 * Father: King Sejong of Joseon (15 May 1397 – 8 April 1450)
 * Mother: Royal Noble Consort Shin of the Cheongju Kim clan (1406 – 4 September 1464)

Consorts and issue(s):


 * Wife: Han Yu-san (한유산; 韓柚山), Princess Consort Jeongseon of the Cheongju Han clan (12 April 1426 – 27 April 1480); Han Hwak's second daughter
 * Princess Yi of the Jeonju Yi clan (1441–?), 1st daughter
 * Yi Ye, Prince Yeongwon (1450 – 16 June 1513), 1st son
 * Yi Suk, Prince Kangyang (1453 — 1499), 2nd son
 * Princess Yi of the Jeonju Yi clan (1454–?), 2nd daughter
 * Princess Yi of the Jeonju Yi clan (1456–?), 3rd daughter
 * Yi Sik, Prince Burim (1458–1489), 3rd son
 * Unnamed Concubine
 * Yi Nan (방산수 이난; 1460–?), 4th son