Numbers 36:3-5

New Century Version

³ But if his daughters marry men from other tribes of Israel, then that land will leave our family, and the people of the other tribes will get that land. So we will lose some of our land. ⁴ When the time of Jubilee comes for the Israelites, their land will go to the tribes of the people they marry; their land will be taken away from us, the land we received from our fathers.”

⁵ Then Moses gave the Israelites this command from the Lord: “These men from the tribe of Joseph are right.