XXtook precedence over that of Manasseh by virtue of Jacob's blessing (Gen. 41:52; 48:1). The descendants of Joseph formed two of the tribes of Israel, whereas each of the other sons of Jacob was the founder of only one tribe. Thus there were in reality thirteen tribes; but the number twelve was preserved by excluding that of Levi when Ephraim and Manasseh are mentioned separately (Num. 1:32-34; Josh. 17:14, 17; 1 Chr. 7:20). Territory of. At the time of the first census in the wilderness this tribe numbered 40,500 (Num. 1:32, 33); forty years later, when about to take possession of the Promised Land, it numbered only 32,500. During the march (see CAMP