Numbers 1:16
The Census of the Tribes
1:16 These were the ones chosen from the community, leaders of their ancestral tribes. They were the heads of the thousands of Israel.
Numbers 32:28
32:28 So Moses gave orders about them to Eleazar the priest, to Joshua son of Nun, and to the heads of the families of the Israelite tribes.
Numbers 34:15
34:15 The two and a half tribes have received their inheritance on this side of the Jordan, east of Jericho, toward the sunrise.”
Numbers 36:9
36:9 No inheritance may pass from tribe to tribe. But every one of the tribes of the Israelites must retain its inheritance.”