Numbers 36:6
This is what the LORD is commanding the daughters of Zelophehad: If they decide it's a good idea in their opinion to get married only within the family of their father's tribe, then let them get married
Genesis 24:57-58
But they said, "We'll call the young lady and see what she has to say about this."
Numbers 36:12
They married into families of the descendants of Manasseh, that is, Joseph's descendants, so that their inheritance remained within the tribe of their ancestor's family.
Genesis 24:3
as a promise to the LORD, the God of heaven and earth, that you won't acquire a wife for my son from the Canaanite women among whom I'm living.
2 Corinthians 6:14
Stop becoming unevenly yoked with unbelievers. What partnership can righteousness have with lawlessness? What fellowship can light have with darkness?