Numbers 32:28-29 ▼

28 And Moses commands Eleazar the priest, and Joshua son of Nun, and the heads of the fathers of the tribes of the sons of Israel concerning them;

29 and Moses says to them, “If the sons of Gad and the sons of Reuben pass over the Jordan with you, everyone armed for battle, before YHWH, and the land has been subdued before you, then you have given the land of Gilead to them for a possession;