Deuteronomy 15:3
Of a foreigner you may exact it, but whatever of yours is with your brother your hand shall release.
Deuteronomy 23:20
You may charge a foreigner interest, but you may not charge your brother interest, that the LORD your God may bless you in all that you undertake in the land that you are entering to take possession of it.
Exodus 22:25
"If you lend money to any of my people with you who is poor, you shall not be like a moneylender to him, and you shall not exact interest from him.
Matthew 17:25-26
He said, "Yes." And when he came into the house, Jesus spoke to him first, saying, "What do you think, Simon? From whom do kings of the earth take toll or tax? From their sons or from others?"
John 8:35
The slave does not remain in the house forever; the son remains forever.
1 Corinthians 6:6-7
but brother goes to law against brother, and that before unbelievers?
Galatians 6:10
So then, as we have opportunity, let us do good to everyone, and especially to those who are of the household of faith.