Numbers Chapter 36, Verse 9

9: Neither shall the inheritance remove from one tribe to another tribe; but every one of the tribes of the children of Israel shall keep himself to his own inheritance.- edit KJV text
9: And that the tribes be not mingled one with another, but remain so— edit Douay text
9: And the inheritance shall not go about from one tribe to another, but the children of Israel shall steadfastly continue each in his on inheritance.— edit LXX text