only to the family
Numbers 36:12
And 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 the LORD, the God of heaven, and the God of the earth, that thou shalt not take a wife unto my son of the daughters of the Canaanites, among whom I dwell:
Genesis 24:57
And they said, We will call the damsel, and enquire at her mouth.
Genesis 24:58
And they called Rebekah, and said unto her, Wilt thou go with this man? And she said, I will go.
2 Corinthians 6:14
Be ye not unequally yoked together with unbelievers: for what fellowship hath righteousness with unrighteousness? and what communion hath light with darkness?