Yun Deuk-sil (尹得實, 1768 – 1805) was a civil official and bureaucrat of late Joseon. Born in Suwon, Gyeonggi Province, he was forced to move to Cheonan in Chungcheong Province after his family home was incorporated into Suwon Haenggung. His family seat was Haepyeong, and his courtesy name was Seongbo
Born~Died 1768 ~ 1805Last edited Oct 15, 2026, 2:51 PM
In 1768, he was born in Suwon-eup, Suwon-bu, Gyeonggi Province, as the fourth son of Yun Bal and Yi Jang's daughter, of the Jeonju Yi clan, who was a magistrate. His mother, of the Jeonju Yi clan, was the third daughter of Yi Jang, who served as a magistrate and was posthumously appointed as Left Secretary of the Royal Secretariat, but she was an illegitimate daughter. In the genealogy of the Paseong-gun branch of Grand Prince Hyoryeong's descendants, she appears as an illegitimate daughter. His mother of the Jeonju Yi clan was a descendant of Grand Prince Hyoryeong, being his 12th-generation descendant, the 8th-generation descendant of Yi Cheol-dong of Paseong-gun, and the 5th-generation descendant of Yi Gyeong-rok, a general during the Imjin War.
His third son and the immediately older brother, Yun Deuk-gil (尹得吉), was adopted by his childless uncle Yun Chim (尹沈). He was a descendant of the brothers and prime ministers Yun Du-su and Yun Geun-su, who served during the reign of Seonjo of Joseon, and was the 5th-generation descendant of the Confucian scholar Yun Heun. His great-great-grandfather Yun Chwi-ji rose through the hereditary appointment system and attained the post of Deputy Chief of the Office of the Supreme Commander of Ganui Grand Master. His grandfather Yun Se-gyeom entered government service through the hereditary appointment system, served as a local official, and attained the rank of Jeonggi Vice Minister of the Office of Royal Relatives (Jong 2nd rank). However, Yun Deuk-sil's father, Yun Bal, was an illegitimate son and held no official post. Later, when his house was incorporated into the palace, his father briefly served in a post. However, in 1794, due to a lack of positions, he was not reappointed to office. Yun Bal was posthumously appointed Vice Minister of Personnel of the Ho Office later because of a petition by his son Yun Chwi-dong for rehabilitation, and his posthumous appointment as Vice Secretary of the Secretariat was granted because of the advancement of his grandson .
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When his house in Suwon-bu was incorporated into the Suwon Haenggung site, he moved down to Cheonan-gun, Chungcheongnam-do. On June 7, 1790 (the 14th year of King Jeongjo's reign), during an examination of scholars and warriors for the scholars whose homes had been incorporated into the Suwon-bu Haenggung, he was ranked in the lower grade (samha) among the grades of upper (samsang), middle (samjung), and lower (samha) in the Gosi (古詩) category, and he was immediately awarded two fans as prizes. On December 11 of that year, when King Jeongjo presided over a Suwon-bu composition examination, he took part, and when prizes were given to the warriors and scholars who participated, he received seven doe of rice.
On April 3, 1791 (the 15th year of King Jeongjo's reign), when King Jeongjo presided over the Eungjesi (應製詩) examination for the scholars of Suwon town, when the grades were divided into samha, chosamha, chasang, chaha, gaeng, and wi, he received the gaeng grade and was awarded half a bundle of small fish as a prize. On May 26, he again took the examination for the scholars of Suwon town, and in the rhapsody (賦) category, where the grades were divided into samsang, samjung, samha, chasang, chajung, chaha, and oe, his result was chajung, so he received two doe of rice as a prize. Later he took office, and his final rank reached Tongdeokrang. However, he was fond of drinking, and he died of illness caused by alcohol. Later, his grandson Yun Yeong-yeol reportedly emphasized to his own descendants the need to be careful about drinking.
After his death, his grandson YunUng-yeol rose to prominence, and he was posthumously appointed Vice Minister of Personnel with the rank of Tongjeong Daebu, and then again posthumously appointed as Jeong Gayeodaebu, Gongchan of the Uijeongbu, and then again posthumously appointed as Vice Minister of the Interior. It is said that his third son Yun Chwi-dong, who treated a hungry Buddhist monk well, later buried him near the grave of Yi Sun-sin, as told by the monk, and that he later rose to prominence through the blessing of the auspicious burial site. His grave was later moved to Sinhang-ri, Dunpo-myeon, Asan-gun, and the graves of him and his wife, the grave of his eldest son Yun Gyo-dong and his wife, and then the grave of Yun Chwi-dong's first wife, of the Goryeong Shin clan, were interred in that order.
Great-grandson: Yun Chi-yeong (尹致暎), former Deputy Speaker of the National Assembly; grandfather of Yun In-gu, KBS announcer
Maternal grandfather: Yi Jang (李樟, 1680 – July 20, 1752)
Other
His eldest son, Yun Gyo-dong, adopted a son of a relative but died young, and the descendants of Yun U-dong and the descendants of Yun Chwi-dong have carried on the family line.
In 1768, he was born in Suwon-eup, Suwon-bu, Gyeonggi Province, as the fourth son of Yun Bal and Yi Jang's daughter, of the Jeonju Yi clan, who was a magistrate. His mother, of the Jeonju Yi clan, was the third daughter of Yi Jang, who served as a magistrate and was posthumously appointed as Left Secretary of the Royal Secretariat, but she was an illegitimate daughter. In the genealogy of the Paseong-gun branch of Grand Prince Hyoryeong's descendants, she appears as an illegitimate daughter. His mother of the Jeonju Yi clan was a descendant of Grand Prince Hyoryeong, being his 12th-generation descendant, the 8th-generation descendant of Yi Cheol-dong of Paseong-gun, and the 5th-generation descendant of Yi Gyeong-rok, a general during the Imjin War.
His third son and the immediately older brother, Yun Deuk-gil (尹得吉), was adopted by his childless uncle Yun Chim (尹沈). He was a descendant of the brothers and prime ministers Yun Du-su and Yun Geun-su, who served during the reign of Seonjo of Joseon, and was the 5th-generation descendant of the Confucian scholar Yun Heun. His great-great-grandfather Yun Chwi-ji rose through the and attained the post of Deputy Chief of the Office of the Supreme Commander of Ganui Grand Master. His grandfather entered government service through the hereditary appointment system, served as a local official, and attained the rank of Jeonggi Vice Minister of the Office of Royal Relatives (Jong 2nd rank). However, Yun Deuk-sil's father, Yun Bal, was an illegitimate son and held no official post. Later, when his house was incorporated into the palace, his father briefly served in a post. However, in 1794, due to a lack of positions, he was not reappointed to office. Yun Bal was posthumously appointed Vice Minister of Personnel of the Ho Office later because of a petition by his son Yun Chwi-dong for rehabilitation, and his posthumous appointment as Vice Secretary of the Secretariat was granted because of the advancement of his grandson .
When his house in Suwon-bu was incorporated into the Suwon Haenggung site, he moved down to Cheonan-gun, Chungcheongnam-do. On June 7, 1790 (the 14th year of King Jeongjo's reign), during an examination of scholars and warriors for the scholars whose homes had been incorporated into the Suwon-bu Haenggung, he was ranked in the lower grade (samha) among the grades of upper (samsang), middle (samjung), and lower (samha) in the Gosi (古詩) category, and he was immediately awarded two fans as prizes. On December 11 of that year, when King Jeongjo presided over a Suwon-bu composition examination, he took part, and when prizes were given to the warriors and scholars who participated, he received seven doe of rice.
On April 3, 1791 (the 15th year of King Jeongjo's reign), when King Jeongjo presided over the Eungjesi (應製詩) examination for the scholars of Suwon town, when the grades were divided into samha, chosamha, chasang, chaha, gaeng, and wi, he received the gaeng grade and was awarded half a bundle of small fish as a prize. On May 26, he again took the examination for the scholars of Suwon town, and in the rhapsody (賦) category, where the grades were divided into samsang, samjung, samha, chasang, chajung, chaha, and oe, his result was chajung, so he received two doe of rice as a prize. Later he took office, and his final rank reached Tongdeokrang. However, he was fond of drinking, and he died of illness caused by alcohol. Later, his grandson Yun Yeong-yeol reportedly emphasized to his own descendants the need to be careful about drinking.
After his death, his grandson YunUng-yeol rose to prominence, and he was posthumously appointed Vice Minister of Personnel with the rank of Tongjeong Daebu, and then again posthumously appointed as Jeong Gayeodaebu, Gongchan of the Uijeongbu, and then again posthumously appointed as Vice Minister of the Interior. It is said that his third son Yun Chwi-dong, who treated a hungry Buddhist monk well, later buried him near the grave of Yi Sun-sin, as told by the monk, and that he later rose to prominence through the blessing of the auspicious burial site. His grave was later moved to Sinhang-ri, Dunpo-myeon, Asan-gun, and the graves of him and his wife, the grave of his eldest son Yun Gyo-dong and his wife, and then the grave of Yun Chwi-dong's first wife, of the Goryeong Shin clan, were interred in that order.
Great-grandson: Yun Chi-yeong (尹致暎), former Deputy Speaker of the National Assembly; grandfather of Yun In-gu, KBS announcer
Maternal grandfather: Yi Jang (李樟, 1680 – July 20, 1752)
Other
His eldest son, Yun Gyo-dong, adopted a son of a relative but died young, and the descendants of Yun U-dong and the descendants of Yun Chwi-dong have carried on the family line.