Num 32:30

וְאִם־לֹ֧א יַֽעַבְר֛וּ חֲלוּצִ֖ים אִתְּכֶ֑ם וְנֹֽאחֲז֥וּ בְתֹכְכֶ֖ם בְּאֶ֥רֶץ כְּנָֽעַן׃

But if they do not arm themselves and go across with you, then they must accept their possession among you in the land of Canaan.”