Numbers 10:4

However, if a single trumpet is blown, then the leaders, heads of the tribes of Israel, shall gather themselves to you.

Exodus 18:21

Furthermore, you shall select from all the people competent men who [reverently] fear God, men of truth, those who hate dishonest gain; you shall place these over the people as leaders of thousands, of hundreds, of fifties and of tens.

Numbers 7:2

Then the leaders of Israel, the heads of their fathers’ households, made offerings. (These were the leaders of the tribes; they were the ones who were over the men who were numbered.)

Numbers 1:4-16

And with you there shall be a man [to assist you] from each tribe, each being the head of his father’s household.

Deuteronomy 1:15

So I took the leaders of your tribes, wise and experienced men, and made them leaders over you, commanders of thousands, and hundreds, and fifties, and tens, and officers (administrators) for your tribes.

Treasury of Scripture Knowledge

Summary

And if they blow but with one trumpet, then the princes, which are heads of the thousands of Israel, shall gather themselves unto thee.

Bible References

General references

Numbers 1:4
And with you there shall be a man [to assist you] from each tribe, each being the head of his father’s household.
Numbers 7:2
Then the leaders of Israel, the heads of their fathers’ households, made offerings. (These were the leaders of the tribes; they were the ones who were over the men who were numbered.)
Exodus 18:21
Furthermore, you shall select from all the people competent men who [reverently] fear God, men of truth, those who hate dishonest gain; you shall place these over the people as leaders of thousands, of hundreds, of fifties and of tens.
Deuteronomy 1:15
So I took the leaders of your tribes, wise and experienced men, and made them leaders over you, commanders of thousands, and hundreds, and fifties, and tens, and officers (administrators) for your tribes.