Prince Euneon (Korean: 은언군; Hanja: 恩彦君) (29 May 1754 – 30 June 1801), personal name Yi In (Korean: 이인; Hanja: 李䄄), was a royal prince of the Joseon Dynasty.
He was the grandfather of the 25th King of Joseon, King Cheoljong.
After the death of Crown Prince Sado, he was exiled to Ganghwa Island.
[1] He was later executed in the 1801 Catholic Purge, due to having a Roman Catholic wife.
[2]