Heonjong
Twenty-fourth king of Joseon, enthroned at eight while the Pungyang Jo and Andong Kim clans fought for power; the 1839 persecution took place in his reign
Sunjo's grandson and the son of Crown Prince Hyomyeong, he reigned under the regency of his grandmother Queen Sunwon. In the Gihae Persecution of 1839 the French bishop Imbert and many believers were executed, and in 1846 Kim Dae-geon, the first Korean priest, was martyred. Western ships appeared ever more often in this period.

