사돈팔촌in English:the relationship between the families of two people who are married to each other’s siblings

Examples
with 사돈팔촌.

• 그들은 사돈팔촌이기 때문에 자주 만난다.geudeul-eun sadonpalchon-igie ttaemune jaju man-nanda.They meet often because they are related through marriage.