Emperor Xuanzong of Tang
Eom is a surname that originated from China. The founding ancestor, Eom Im-ui, was sent to Korea by Emperor Xuanzong of Tang, during Gyeongdeok of Silla's reign. He was said to be a descendant of the Han dynasty scholar, Yan Ziling (嚴子陵), known as Eom Ja-neung in Korean (엄자능).