Numbers 10:4

New American Bible - revised edition

but when one of them is blown, only the tribal leaders, the heads of the clans of Israel, shall gather round you.

Cross References

Exodus 18:21

But you should also look among all the people for able and God-fearing men, trustworthy men who hate dishonest gain, and set them over the people as commanders of thousands, of hundreds, of fifties, and of tens.

Numbers 7:2

an offering was made by the tribal leaders of Israel, who were heads of ancestral houses, the same leaders of the tribes who supervised those enrolled.

Deuteronomy 1:15

So I took the leaders of your tribes, wise and reputable, and set them as leaders over you, commanders over thousands, over hundreds, over fifties and over tens, and other tribal officers.