10 Bible Verses about Brothers in law

Judah said to Onan, "Go in to your brother's wife, and perform the duty of a husband's brother to her, and raise up seed to your brother."

If brothers dwell together, and one of them die, and have no son, the wife of the dead shall not be married outside to a stranger: her husband's brother shall go in to her, and take her to him as wife, and perform the duty of a husband's brother to her.

Moses said to Hobab, the son of Reuel the Midianite, Moses' father-in-law, "We are journeying to the place of which Yahweh said, 'I will give it to you.' Come with us, and we will treat you well; for Yahweh has spoken good concerning Israel." He said to him, "I will not go; but I will depart to my own land, and to my relatives." He said, "Don't leave us, please; because you know how we are to encamp in the wilderness, and you can be our eyes.read more.
It shall be, if you go with us, yes, it shall be, that whatever good Yahweh does to us, we will do the same to you."

If the man doesn't want to take his brother's wife, then his brother's wife shall go up to the gate to the elders, and say, "My husband's brother refuses to raise up to his brother a name in Israel; he will not perform the duty of a husband's brother to me."

Now Heber the Kenite had separated himself from the Kenites, even from the children of Hobab the brother-in-law of Moses, and had pitched his tent as far as the oak in Zaanannim, which is by Kedesh.

"'You shall not uncover the nakedness of your brother's wife: it is your brother's nakedness.

Moses said to Hobab, the son of Reuel the Midianite, Moses' father-in-law, "We are journeying to the place of which Yahweh said, 'I will give it to you.' Come with us, and we will treat you well; for Yahweh has spoken good concerning Israel."

saying, "Teacher, Moses said, 'If a man dies, having no children, his brother shall marry his wife, and raise up seed for his brother.'

Moses went and returned to Jethro his father-in-law, and said to him, "Please let me go and return to my brothers who are in Egypt, and see whether they are still alive." Jethro said to Moses, "Go in peace."

The children of the Kenite, Moses' brother-in-law, went up out of the city of palm trees with the children of Judah into the wilderness of Judah, which is in the south of Arad; and they went and lived with the people.