Ruth married to one of Naomi's sons in Moab - Ruth 1:1-4
Ruth's husband dies after 10 yrs. of marriage - Ruth 1:5
Ruth vows to remain with Naomi - Ruth 1:6-18
Naomi arranges that Ruth be taken care of by Boaz - Ruth 2, 3, 4
Ruth stated as Mahlon's widow - Ruth 4:10
Boaz marries Ruth - Ruth 4:13
Ruth gives birth to Obed, an ancestor of king David - Ruth 4:13-22

Reference only:

Ruth mentioned in the lineage of Jesus Christ - Matthew 1:5