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Jeong In-ji
정인지
學易齋鄭麟趾尊影.jpg
Portrait of Jeong In-ji
Chief State Councillor
In office
July 25, 1455 – January 11, 1459
Preceded by Yi Yu, Grand Prince Suyang
Succeeded by Jeong Chang-son
Left State Councillor
In office
November 11, 1453 – April 20, 1455
Preceded by Kim Jong-seo
Succeeded by Han Hwak
Personal details
Born (1396-12-28)December 28, 1396
Hanseong-bu, Kingdom of Joseon
Died November 26, 1478(1478-11-26) (aged 81)
Hanseong-bu, Kingdom of Joseon
Korean name
Hangul
정인지
Hanja
鄭麟趾
Revised Romanization Jeong Inji
McCune–Reischauer Chŏng Inji
Art name
Hangul
학역재
Hanja
學易齋
Revised Romanization Hagyeokjae
McCune–Reischauer Hagyŏkchae
Courtesy name
Hangul
백저
Hanja
伯雎
Revised Romanization Baekjeo
McCune–Reischauer Baekchŏ
Posthumous name
Hangul
문성
Hanja
文成
Revised Romanization Munseong
McCune–Reischauer Munsŏng
Joseon Royal Title
Hangul
하동부원군
Hanja
河東府院君
Revised Romanization Hadong Buwongun
McCune–Reischauer Hadong Puwongun

Jeong In-ji (Hangul: 정인지; Hanja: 鄭麟趾; December 28, 1396 – November 26, 1478) was a Korean Neo-Confucian scholar, historian who served as Vice Minister of Education or Deputy Chief Scholar (Head of Office for Special Advisors) during the reign of King Sejong the Great, Minister of Rites during the reign of King Munjong and Danjong, Left or Second State Councillor from 1453 to 1455 during the reign of King Danjong, and Chief State Councillor from 1455 to 1458 during the reign of King Sejo. He was nicknamed Hakyeokjae (학역재). He was from the Hadong Jeong clan (하동 정씨, 河東 鄭氏)

Letter of Jeong Inji 1443s
Letters of Jeong In-ji

He is perhaps best known for having written the postscript of the Hunmin Jeongeum Haerye, the commentary on and explanation of the native alphabet Hangeul invented by King Sejong in 1443. He also contributed to the Goryeo-sa, the official history of the Goryeo dynasty, and the Yongbi Eocheon-ga (용비어천가).

His second son, Jeong Hyeon-jo, was married to Princess Uisuk, the second daughter of King Sejo of Joseon. His descendants would eventually have royal connections through their marriages.

Family

  • Father: Jeong Heung-in (정흥인, 鄭興仁) (1363–1436)
    • Grandfather: Jeong Eul-gwi (정을귀, 鄭乙貴)
  • Mother: Lady Jin of the Heungdeok Jin clan (정경부인 흥덕 진씨, 貞敬夫人 興德 陳氏)
    • Grandfather: Jin Cheon-ui (진천의)
  • Sibling(s)
    • Older sister: Lady Jeong of the Hadong Jeong clan (하동 정씨, 河東 鄭氏)
      • Brother-in-law: Jeong Bun (정분, 鄭苯) of the Jinju Jeong clan (진주 정씨, 晉州 鄭氏) (1394–1454)
        • Unnamed nephew
  • Wives and their children
    • Lady Jo of the Hanyang Jo clan (한양 조씨)
      • Son - Jeong Gwang-jo (정광조, 鄭光祖) (? - 1457)
        • Daughter-in-law - Lady Ahn of the Juksan Ahn clan (죽산 안씨, 竹山 安氏) (? - 1456)
      • Daughter - Lady Jeong of the Hadong Jeong clan
        • Son-in-law - Gwon Geum-seong (권금성, 權金成)
          • Granddaughter - Lady Gwon of the Andong Gwon clan
    • Lady Yi of the Gyeongju Yi clan (경주 이씨)
      • Son - Jeong Hyeon-ju (정현조, 鄭顯祖) (1440 - 13 July 1504)
        • Daughter-in-law - Princess Uisuk (의숙공주) (1441 - 1477)
        • Daughter-in-law - Lady Yi of the Ugye Yi clan (우계 이씨) (? - 2 January ?)
          • Grandson - Jeong Seung-su (승수, 承秀)
            • Granddaughter-in-law - Lady Park of the Chungju Park clan (충주 박씨)
              • Great-Grandson - Jeong Eon-baek (언백, 彦伯)
          • Grandson - Jeong Seung-yeong (승영, 承英)
            • Great-Grandson - Jeong Gwang (광, 廣)
          • Grandson - Jeong Seung-jang (승장)
            • Granddaughter-in-law - Lady Yi of the Jeonju Yi clan (전주 이씨)
            • Granddaughter-in-law - Lady Shin of the Goryeong Shin clan (고령 신씨)
              • Great-Grandson - Jeong Ryu (류, 瑠)
          • Granddaughter - Lady Jeong of the Hadong Jeong clan
            • Grandson-in-law - Yi Gu (종성령 이구, 鍾城令 李球) of the Jeonju Yi clan (1494 - 1573)
              • Great-Grandson - Yi Seong (이성, 李誠)
              • Great-Grandson - Yi Bu (이부, 李溥)
          • Grandson - Jeong Seung-hwa (승화, 承華)
            • Great-Grandson - Jeong Chung (충, 忠)
            • Great-Grandson - Jeong Shin (신, 臣)
          • Grandson - Jeong Seung-ran (승란, 承蘭)
            • Great-Grandson - Jeong Gyeong (경, 瓊)
            • Great-Grandson - Jeong Yeong (영, 暎)
            • Great-Grandson - Jeong Rim (림, 琳)
          • Grandson - Jeong Seung-mu (승무, 承武)
            • Great-Grandson - Jeong Jeok (적, 籍)
            • Great-Grandson - Jeong Gan (간, 簡)
            • Great-Grandson - Jeong Jeon (전, 箋)
          • Grandson - Jeong Seung-beom (승범, 承範)
          • Grandson - Jeong Seung-eun (승온, 承蘊)
          • Grandson - Jeong Seung-dong (승동, 承董)
            • Great-Grandson - Jeong Yo (요, 堯)
            • Great-Grandson - Jeong Sun (순, 舜)
            • Great-Grandson - Jeong Woo (우, 禹)
            • Great-Grandson - Jeong Jik (직, 稷)
            • Great-Grandson - Jeong Ki (기, 夔)
      • Son - Jeong Song-jo (정숭조, 鄭崇祖) (1442 - 13 February 1503)
        • Daughter-in-law - Lady Park of the Juksan Park clan (정경부인 죽산 박씨)
        • Daughter-in-law - Lady Jo of the Pyeongyang Jo clan (정경부인 평양 조씨)
          • Grandson - Jeong Seung-chong (승충, 承忠) (1467 - 1549)
            • Granddaughter-in-law - Lady Yi of the Jeonju Yi clan (전주 이씨)
            • Granddaughter-in-law - Lady Shin of the Pyeongsan Shin clan (평산 신씨)
              • Great-Grandson - Jeong Eung-nyeon (응년, 應年)
              • Great-Grandson - Jeong Dae-nyeon (대년, 大年)
              • Great-Grandson - Jeong Gae-nyeon (개년, 開年)
          • Grandson - Jeong Seung-hyo (승효, 承孝)
          • Grandson - Jeong Seung-yeom (승염, 承廉)
        • Grandson - Jeong Seung-geun (정승근, 鄭承謹)
          • Grandson - Jeong Seung-ryeom (정승렴, 鄭承廉)
            • Great-Granddaughter - Lady Jeong of the Hadong Jeong clan (1510 - 1587)
        • Grandson - Jeong Seung-dong (승동, 承東)
      • Son - Jeong Gyeong-jo (정경조, 鄭敬祖) (1455 - July 1498)
        • Daughter-in-law - Lady Yi of the Jeonju Yi clan (전주 이씨)
        • Daughter-in-law - Lady Yi of the Yeoju Yi clan (여주 이씨)
          • Grandson - Jeong Seung-woo (정승우, 鄭承佑)
      • Son - Jeong Sang-jo (정상조, 鄭尙祖) (1459 - 1491)
        • Daughter-in-law - Lady Ahn of the Juksan Ahn clan (정경부인 죽산 안씨, 竹山 安氏) (1459 - 1521)
          • Grandson - Jeong Se-ho (정세호, 鄭世虎) (1486 - 1563)
            • Granddaughter-in-law - Lady Yi of the Gwangju Yi clan (정경부인 광주 이씨)
              • Great-Grandson - Jeong Chang-Seo (정창서, 鄭昌瑞) (1519 - ?)
                • Great Granddaughter-in-law - Lady Yi of the Jeonju Yi clan (전주 이씨, 全州 李氏)
                • Great Granddaughter-in-law - Lady Kim of the Gwangsan Kim clan (광산 김씨)
                  • Great-Great-Granddaughter - Lady Jeong of the Hadong Jeong clan
                    • Great-Great-Great-Grandson-in-law - Jeong Dae-gil (정대길, 鄭大吉)
              • Great-Grandson - Jeong Chang-Su (정창수, 鄭昌壽)
              • Great-Granddaughter - Grand Internal Princess Consort Hadong (Hangul: 하동부대부인, Hanja: 河東府大夫人) (23 September 1522 - 24 June 1567)
              • Great-Grandson - Jeong Hong-Su (정홍수, 鄭弘壽)

Books

  • Hunminjeongeum (훈민정음, 訓民正音)
  • Hunminjeongeum yehae (훈민정음예해, 訓民正音例解)
  • Hagyeokjaejip (학역재집, 學易齋集)
  • Yeokdae yeokbeop (역대역법, 歷代曆法)
  • Goryeosa (고려사, 高麗史)
  • Goryeosa jeolyo (고려사절요, 高麗史節要)
  • Yeokdae byeongyo (역대병요, 歷代兵要)
  • Saryun ojip (사륜오집)
  • Jachitonggam hunui (자치통감훈의, 資治通鑑訓義)
  • Sejong sillok (세종실록, 世宗實錄)

See also

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