Yun Geun-su
Yun Geunsu (, 1537–1619) was a Korean scholar-official of the Joseon period. His art names were Woljeong (), Woeam (), and his courtesy name was Jago ().

Family 
 Father 
 Yun Byeon (; 1493 – 8 July 1549) 
 Mother
 Biological - Lady Hyeon of the Palgeo Hyeon clan (팔거현 씨( 八莒 玄氏; ? – 1544); Yun Byeon's second wife
 Grandfather - Hyeon Yun-myeong ()
 Step - Lady Yi of the Jeonju Yi clan (); Yun Byeon's first wife
 Siblings
 Older half-brother - Yun Dam-su ()
 Older half-brother - Yun Chun-su (; 1521 – ?)
 Older half-brother - Yun Gi-su ()
 Older half-sister - Lady Yun of the Haepyeong Yun clan ()
 Older brother - Yun Doo-su (; 1533–1601)
 Wife and children
 Lady Jo of the Pungyang Jo clan ()
 Son - Yun Hwan (; 1556 – ?)
 Son - Yun Jil ()
 Son - Yun Myeong (윤명, 尹㫥)
 Son - Yun Yu ()
 Son - Yun Hwan (윤환, 尹㬇)
 Son - Yun Min ()

Popular culture
 Portrayed by Lee Won-bal in the 2004–2005 KBS1 TV series Immortal Admiral Yi Sun-sin.

References

1537 births
1619 deaths
16th-century Korean writers
17th-century Korean writers
Joseon scholar-officials
16th-century Korean philosophers
Neo-Confucian scholars