Deuteronomy 25:5; Deuteronomy 32:16

Deuteronomy 25:5

5 "When brothers live together and one of them dies and has no son, the wife of the deceased shall not be married outside the family to a strange man. Her husband's brother shall go in to her and take her to himself as wife and perform the duty of a husband's brother to her.

Deuteronomy 32:16

16 "They made Him jealous with strange gods; With abominations they provoked Him to anger.