Crown Prince Hyojang (Korean: 효장세자; Hanja: 孝章世子; April 4, 1719 – December 16, 1728), personal name Yi Haeng (이행; 李緈), was the first son of King Yeongjo...

clan. Due to the prior death of Sado's older half-brother, Crown Prince Hyojang, the new prince was the probable future monarch. However, at the age of 27...

Joseon and his father, Crown Prince Sado, was the illegitimate second son of King Yeongjo. King Yeongjo's first son, Crown Prince Hyojang, died at the age of...

order of King Yeongjo. Crown Prince Hyojang was the elder half-brother of his father, Crown Prince Sado. Crown Prince Hyojang though, had died during...

decreed that the boy be registered as the son of the deceased Crown Prince Hyojang and Crown Princess Consort Hyosun. Yeongjo had lived with poor health...

King Gyeongjong Crown Princess Hyeon of the Pungyang Jo clan (1716–1751) — posthunously Queen Hyosun; wife of Crown Prince Hyojang Crown Princess Hye of...

descriptive term of crown prince or crown princess, but they may also be accorded with a more specific substantive title: such as Prince of Orange in the...

biological father, Crown Prince Uigyeong, to have a posthumous status as a king, and a temple name "Deokjong" was made for the late crown prince. A similar event...

her. The Queen had also cherished and treated Crown Prince Hyojang, Yi Jeong-bin's son, and Crown Prince Sado, Yi Yeong-bin’s son, as if they were her...

Seongjong and younger sister of Queen Jangsun) and Yeongneung (영릉) (Crown Prince Hyojang, who was posthumously honored as King Jinjong, and Queen Hyosun)...