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Jonyangjae Song Jeong-ryeom is a bureaucratic literary person representing the Gangwoo region in the 17th century. Hapcheon Yujeon Village is Nammyeong(��ڤ) Jo Shik(��ֲ)��s wife's hometown and the residence of the Eunjin Song clan for generations. The entry of the Eunjin Song Clan into Yujeon Village began with Chungsunwi(����l) Song Se-jeok(������), and Nammyeong had especially deep friendships with his eldest son, Song Hyeong(����), and third son, Song Rin(�έU). Song Jeong-ryeom is the great-grandson of Song Hyeong.
His era was a time when the Nammyeong Study in the Gangwoo region declined after the Injo coup so that a clan conversion took place, and academically, the clan was seeking a way to live through a compromise with the Namin of Yeongnam and the Namin close to Gyeonggi in the Toegye side. Song Jeong-ryeom studied under Jeong On(���N) and Im Jin-bu(�ֱw�N), and also had a close friendship with Heo Mok(�S��), who was the leader of the Namin close to Gyeonggi at the time. In terms of the learning of his family, his father, Song Ik(���), was an alumnus of the pupils of Jeong On, and in terms of inheritance of learning, his maternal uncle, Im Jin-bu, and his maternal great-grandfather, Cheommodang(հĽ��), Im Woon(��ܿ) were closely connected to the Toegye Study. Regionally, Hapcheon was the hometown of Nammyeong and Jeong In-hong, and Ipjae(���S) Noh Heum(�R�J) and Nopa(�J��) Lee Heul (����) from the same hometown were Nammyeong's pupils. His father and maternal uncle studied under Noh Heum and Lee Heul. In short, Song Jeong-ryeom was a representative figure who inherited the Nammyeong Study and Toegye Study in the Gangwoo area, which continued to Jeong On-Im Jin-bu after Jeong In-hong.
Song Jeong-ryeom was unable to enter government service due to Injo coup and the Manchu war of 1636, and spent his 30s in the Gangwoo region. However, after entering government service in his early 40s, he spent his late middle age and old age in government services. Official positions were continuously given to him until even three years before his death and it was very unusual for a literary person in Gangwoo region in the 17th century, and it was confirmed that it was very closely intertwined with the power of the Namin close to Gyeonggi at the time, including Heo Mok. At the same time, he conducted various social activities, such as serving as the director of six lecture halls, which corresponded to the bases of the Nammyeong and Toegye Studies in the Gangwoo region.
After the death of Jonyangjae, the Gangwoo region continued to decline without showing any sign of revival, and after the outbreak of the Musin Rebellion (����y, 1728), the wariness and distrust of the Gangwoo region grew stronger so that Gangwoo region further shrank. Strictly speaking, it is not an exaggeration to say that the academic lineage to Jeong On-Im Jin-bu after Jeong In-hong converged once with Song Jeong-ryeom, and after that, the academic lineage in the Gangwoo region centered on Hapcheon, Samga, and Geochang disappeared. It can be said that Song Jeong-ryeom was the last bastion of Gangwoo literary persons in the 17th century. This is the status of Jonyangjae as a Gangwoo literary person, and the reason why we should pay attention to him.