About Yi Sun-sin
Lived 1553 – 1611 (aged 57–58). Yi Sun-sin was a military personnel.
Yi Sunsin (; January 30, 1554 – September 11, 1611) was a Korean military official of the mid-Joseon period. He was a general under Admiral Yi Sun-sin during the Imjin War.
Biography Yi Sunsin was born on January 30, 1554, in Siheung, Gyeonggi Province. In September 1577, he passed the military examination , winning the first place in archery. After serving as a Herald , he was appointed the magistrate of Gangjin in 1582. However, he was dismissed in 1585 due to friction with the powerful gentry family in Gangjin. In 1586, he became an assistant magistrate of Onsong by the recommendation of his former teacher, Kim Sŏngil. In 1591, he was appointed as Associate Commander of Bangdap and prepared to fight against the Japanese by rearranging military officers, repairing their fortresses and weapons. He led the vanguard and lured the Japanese troops. After the Battle of Hansando Admiral Yi Sun-sin, who felt sorry that his contribution was not recognized, suggested to the government his promotion and he was eventually promoted to Jeolchung , third senior rank and appointed the Naval Commander of Chungcheong Province. However, he was dismissed due to the strict application of the penal code and demoted to the Associate Commander of Goryang. In 1597, when the Japanese second invasion broke out, he was appointed as the Naval Commander of Right Gyeongsang Province to replace Bae Seol who fled from the Battle of Chilcheollyang. Later, he served as a Central Commandant again under Admiral Yi Sun-sin. When Yi Sun-sin was killed by enemy bullets in the Battle of Noryang, he commanded Joseon's naval forces.
After the Japanese Invasion of Korea, Chen Lin, a general of the Ming dynasty, recommended Yi as the Naval Generalissimo of the Three Provinces , and although the Border Defense Council agreed, Censorate opposed it. In January 1599, he resigned from his position as a Naval Commander and was appointed to the Police Chief , but was dismissed for killing an innocent person. Since then, he had repeatedly been promoted to various government posts and dismissed from his post. In 1604, he was appointed the Fifth Minister (of the Office of Ministers-without-Portfolio) and listed as the third rank of Seonmu Merit Subjects in recognition of his contribution during the Japanese Invasion of Korea in and given the title of Wansangun . He was retitled as Wancheongun the following year after serving as the magistrate of Suwon in 1606. In 1608, when King Seonjo died and Gwanghaegun was crowned, Yi was also questioned for his involvement in the death of Imhaegun. In 1610, he was appointed as Army Commander of Jeolla Province but died on September 11, 1611. His tomb is located Gwangmyeong, Gyeonggi-do, South Korea.
In popular culture Portrayed by in the 2004–2005 KBS1 TV series Immortal Admiral Yi Sun-sin.
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Important facts
People in Yi Sun-sin's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Yi Sun-sin's
Frequently asked questions
Who was Yi Sun-sin?
Korean military official (born 1554)
When was Yi Sun-sin born?
Yi Sun-sin was born in 1553 in Siheung.
When did Yi Sun-sin die?
Yi Sun-sin died on 11 September 1611 in Jeonju.
What was Yi Sun-sin's occupation?
Yi Sun-sin was a military personnel.
Sources & further reading
· DBpedia: Yi Sunsin (born 1554)
Cite this page
APA: Biography.guide. (2026). Yi Sun-sin. https://biography.guide/yi-sun-sin/
MLA: "Yi Sun-sin." Biography.guide, https://biography.guide/yi-sun-sin/.
Chicago: "Yi Sun-sin." Biography.guide. https://biography.guide/yi-sun-sin/.
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