The Yeonan Yi clan (Korean: 연안 이씨; Hanja: 延安 李氏) is one of the Korean clans. Their bon-gwan is in Yeonan County, Hwanghae Province, now in North Korea. According to the census held in 2015, the number of Yeonan Yi clan’s member was 164,036. Their founder was Yi Mu [ja]. It is did that around 660, he became a general during the Tang dynasty who came to Silla and eventually went to bring down Baekje. Yi Mu [ja] founded Yi clan of Yeonan after he was naturalized in Silla.^[1][2]