Ruth 1:3

Elimelech : husband of Naomi; a man from Bethlehem

Naomi : wife of Elimelech; mother-in-law of Ruth the Moabitess

Ruth 1:5

Chilion : son of Elimelech & Naomi; husband of Orpah the Moabitess

Mahlon : son of Elimelech and Naomi; first husband of Ruth