Yun Beon

Yun Beon (尹璠, 1384–1448) was a civil official of early Joseon and the royal in-law of Sejo. He was the father of Queen Jeonghui, the father-in-law of Sejo, and the maternal grandfather of Deokjong and Yejong. He entered office through the hereditary privilege system (eumbo), served as magistrate of Sincheon, and in 1428 (the 10th year of King Sejong) served as Judge of the Military Supplies Office (軍器寺判官). When his daughter became the wife of Grand Prince Suyang, he was promoted to Vice Director of the Military Supplies Office (軍器寺副正) and then became Councillor of the Board of Works. In 1434 he became Vice Minister of the Board of Personnel and of the Board of Revenue, then Magistrate of Gyeongchang (慶昌府尹). In 1439 he served as Governor of Gyeonggi Province and Grand Censor-in-chief, among other posts. In 1440 he became Vice Minister of Justice...

Correction to the above: In 1440 he became Right Assistant State Councillor and Minister of the Board of Works, then Councillor of the Central Secretariat (知中樞院事). He resigned due to illness (風病), and in 1447 became Chief Councillor of the Central Secretariat (判中樞院事). He was posthumously given the title Chief State Councillor (領議政) and enfeoffed as Lord of Paepyeong (坡平府院君). His posthumous name is Jeongjeong (貞靖). His family seat is Paepyeong (坡平).

Family

• Paternal grandfather: Yun Cheok (尹陟)
  • Father: Yun Seungrye (尹承禮), Minister of the Board of Finance (判圖判書)
  • Mother: daughter of Seong Yeo-wan (成汝完) (father: Seong Yeo-wan, Lord of Changnyeong; mother: Lady Na of Geumseong; paternal grandfather: Seong Gun-mi, Secretary of the Board of Finance; paternal grandmother: Grand Lady Samhan of the Dongbok Oh clan)
  • Birth mother: daughter of Gwon Hang (權恒) (father: Gwon Hang, former Vice Minister of the Secretariat)
    • Elder brother: Yun Gyu (尹珪)
    • Elder brother: Yun Bo-ro (尹普老)
    • Elder brother: Yun Jeon (尹琠)
    • Wife: Lady Heungnyeong Daebudaebu of the Incheon Yi clan (仁川李氏), daughter of Yi Munhwa (李文和)
      • Eldest daughter: wife of Hong Won-yong, Paepyeong Yun clan (1399) – Hong Won-yong was the maternal uncle of Queen Dowager Insu
      • Eldest son: Yun Sabun (尹士昐, 1401)
      • Second daughter: wife of Seong Bong-jo, Paepyeong Yun clan (1403) – Seong Bong-jo was the first cousin once removed of Seong Samun and a cousin of Grand Lady Samhan, wife of Grand Prince Seongnyeong
      • Second son: Yun Sayun (尹士昀, 1409)
        • Paternal grandson: Yun Bo (尹甫) – grandfather of Queen Janggyeong
      • Third daughter: wife of Yi Yeon-son, Paepyeong Yun clan (1405) – Yi Yeon-son was the fifth-generation ancestor of Yi Hang-bok
      • Fourth daughter: wife of Yi Nyeom-ui, Paepyeong Yun clan (1410)
      • Fifth daughter: wife of O Deok-gi, Paepyeong Yun clan (1412)
      • Sixth daughter: wife of Han Gye-mi, Paepyeong Yun clan (1417) – Han Gye-mi was a sixth cousin of Han Myeong-hoe and a cousin on the maternal side of Seong Samun
      • Seventh daughter: Queen Jeonghui Yun (貞熹王后 尹氏, 8 December 1418)
      • Son-in-law: 7th king Sejo
        • Maternal grandson: posthumously honored king