Numbers 36:4-6

New Revised Standard Version, Anglicised

⁴ And when the jubilee of the Israelites comes, then their inheritance will be added to the inheritance of the tribe into which they have married; and their inheritance will be taken from the inheritance of our ancestral tribe.’

⁵ Then Moses commanded the Israelites according to the word of the Lord, saying, ‘The descendants of the tribe of Joseph are right in what they are saying. ⁶ This is what the Lord commands concerning the daughters of Zelophehad, “Let them marry whom they think best; only it must be into a clan of their father’s tribe that they are married,