10 Bible Verses about Brothers in law

Then Judah said to Onan, "Have sexual relations with your brother's wife and fulfill the duty of a brother-in-law to her so that you may raise up a descendant for your brother."

If brothers live together and one of them dies without having a son, the dead man's wife must not remarry someone outside the family. Instead, her late husband's brother must go to her, marry her, and perform the duty of a brother-in-law.

Moses said to Hobab son of Reuel, the Midianite, Moses' father-in-law, "We are journeying to the place about which the Lord said, 'I will give it to you.' Come with us and we will treat you well, for the Lord has promised good things for Israel." But Hobab said to him, "I will not go, but I will go instead to my own land and to my kindred." Moses said, "Do not leave us, because you know places for us to camp in the wilderness, and you could be our guide.read more.
And if you come with us, it is certain that whatever good things the Lord will favor us with, we will share with you as well."

But if the man does not want to marry his brother's widow, then she must go to the elders at the town gate and say, "My husband's brother refuses to preserve his brother's name in Israel; he is unwilling to perform the duty of a brother-in-law to me!"

Now Heber the Kenite had moved away from the Kenites, the descendants of Hobab, Moses' father-in-law. He lived near the great tree in Zaanannim near Kedesh.

You must not have sexual intercourse with your brother's wife; she is your brother's nakedness.

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

"Teacher, Moses said, 'If a man dies without having children, his brother must marry the widow and father children for his brother.'

So Moses went back to his father-in-law Jethro and said to him, "Let me go, so that I may return to my relatives in Egypt and see if they are still alive." Jethro said to Moses, "Go in peace."

Now the descendants of the Kenite, Moses' father-in-law, went up with the people of Judah from the City of Date Palm Trees to Arad in the desert of Judah, located in the Negev. They went and lived with the people of Judah.