Ruth 1:2

1:2 (Now the man’s name was Elimelech, his wife was Naomi, and his two sons were Mahlon and Kilion. They were of the clan of Ephrath from Bethlehem in Judah.) They entered the region of Moab and settled there.

Ruth 4:5

4:5 Then Boaz said, “When you acquire the field from Naomi, you must also acquire Ruth the Moabite, the wife of our deceased relative, in order to preserve his family name by raising up a descendant who will inherit his property.”