Bamidbar 32:27-29

Orthodox Jewish Bible

²⁷ But thy avadim will cross over, every man armed for war, before Hashem to battle, as adoni saith.

²⁸ So concerning them Moshe commanded Eleazar HaKohen, and Yehoshua Ben Nun, and the Rashei Avot HaMattot of the Bnei Yisroel;

²⁹ And Moshe said unto them, If the Bnei Gad and the Bnei Reuven will cross with you over Yarden, every man armed for battle, before Hashem, and HaAretz shall be subdued before you, then ye shall give them Eretz Gil‘ad for an achuzzah;