Since there are only about 250 family names in Korea and family names such as Kim, Ri, Bag, Choe, and Jeong (the five major names) hold a majority, people have identified each other by connecting hongan and the family names.
朝鮮の姓は約250と少なく、金、李、朴、崔、鄭（5大姓）などの姓が多数を占めるため、本貫と姓をつなげる事でお互いを区別してきた面もある。