Numbers 36:6
This is the thing which LORD commands concerning the daughters of Zelophehad, saying, Let them be married to whom they think best, only into the family of the tribe of their father shall they be married.
Genesis 24:57-58
And they said, We will call the damsel, and inquire at her mouth.
Numbers 36:12
They were married into the families of the sons of Manasseh the son of Joseph, and their inheritance remained in the tribe of the family of their father.
Genesis 24:3
And I will make thee swear by LORD, the God of heaven and the God of the earth, that thou will not take a wife for my son of the daughters of the Canaanites, among whom I dwell.
2 Corinthians 6:14
Do not become unequally yoked with unbelievers, for what partnership has righteousness and lawlessness? And what fellowship has light with darkness?