Numbers 36:6
This is the thing which Jehovah doth command 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 Jehovah, the God of heaven and the God of the earth, that thou wilt not take a wife for my son of the daughters of the Canaanites, among whom I dwell.
2 Corinthians 6:14
Be not unequally yoked with unbelievers: for what fellowship have righteousness and iniquity? or what communion hath light with darkness?