Yi Jeung

Yi Jeung (12 August 1427 – 16 August 1464), formally known as Prince Gyeyang (계양군), 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.

Yi Jeung 이증
Prince Gyeyang (계양군)
Born	12 August 1427 Joseon
Died	16 August 1464 (age 37) Joseon
Consort	Princess Consort Jeongseon
Issue	4 sons and 3 daughters
Clan	Jeonju Yi clan
Dynasty	House of Yi
Father	Sejong of Joseon
Mother	Royal Noble Consort Shin of the Cheongju Kim clan
Religion	Neo-Confucianism

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 Gyeyang-gun.

He helped his half-brother, Grand Prince Suyang and participate in coup d'état against his nephew, King Dajong. After Sejo's accession to the throne, he was given the rank of Jwaik Gongsin (좌익공신). 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 full sister of Queen Sohye.

Family

Parents

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

Consorts and issue(s):

• Wife: Princess Consort Jeongseon, of the Cheongju Han clan (정선군부인 신빈 한씨; 12 April 1426 – 27 April 1480), Han Hwak's daughter
  • Yi Ye, Prince Yeongwon (영원군 예; 1450 – 16 June 1513 ), 1st son
  • Yi Suk, Prince Kangyang (강양군 숙), 2nd son
  • Yi Sik, Prince Burim (부림군 식; 1458–1489), 3rd son
  • Princess Yi of the Jeonju Yi clan (향주 전주 이씨), 1st daughter
  • Princess Yi of the Jeonju Yi clan (향주 전주 이씨), 2nd daughter
  • Princess Yi of the Jeonju Yi clan (향주 전주 이씨), 3rd daughter
• Concubine: Unnamed
  • Yi Nan (방산수 이난, b.1460), 4th son