“In the tempestuous court of King Sukjong, where political fortunes rose and fell on the monarch's sudden factional shifts (Hwanguk), Chief State Councilor Kim Su-hang stood as an unyielding fortress of constitutional principle. His life and martyrdom defined the intellectual ethos of late Joseon governance.”
1. Heritage of Cheong-eum: The Grandson of Kim Sang-heon
Kim Su-hang (金壽恒, 1629–1689), art name Mungok (文谷), was born into the direct line of Kim Sang-heon. Inheriting his grandfather's fearless moral conviction, Kim Su-hang passed the civil service examination with highest honors in 1651 and rose rapidly through the Office of Censors and the State Council.
2. Leadership of the Westerner (Seoin) Faction
Appointed Chief State Councilor (領議政 / Yeonguijeong) in 1675, Kim navigated the vicious factional disputes (*Yesong*) regarding royal funeral protocols. As leader of the Westerner (*Seoin*) faction, Kim championed classical Neo-Confucian protocol, royal legitimacy, and fiscal relief for commoners suffering from harvest failures.
3. The Tragedy of the Gisa Hwanguk (1689) and Martyrdom
In 1689, King Sukjong abruptly dismissed the Westerners to install the Southerner (*Namin*) faction following the birth of Crown Prince Gyeongjong by Lady Jang (Jang Hui-bin). Exiled to Jindo Island, Kim Su-hang was condemned to death by poison alongside elder statesman Song Si-yeol.
Facing the executioners with calm nobility, Kim Su-hang composed his final farewell poems, instructing his sons to remain loyal to the dynasty and harbor no personal vengeance.
4. Posthumous Rehabilitation and the Six Changs (Yukchang)
When King Sukjong reinstated Queen Inhyeon in the Gapsul Hwanguk of 1694, Kim Su-hang was posthumously cleared of all charges, restored to the title of Chief State Councilor, and bestowed the highest honor of Munchung (文忠 / Cultured and Loyal). His six sons, known to history as the Six Changs (Yukchang), became the foremost scholars, councilors, and poets of the eighteenth century.