Numbers 36:3-5

New Revised Standard Version, Anglicised

³ But if they are married into another Israelite tribe, then their inheritance will be taken from the inheritance of our ancestors and added to the inheritance of the tribe into which they marry; so it will be taken away from the allotted portion of our inheritance. 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.