Numbers 10:4

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

Cross-references

Numbers 10:7 gives the complementary rule: blow for assembly without alarm, while here one trumpet summons leaders.

Numbers 1:4–16 Historical context

Numbers 1:4-16 lists the tribal leaders—the very ones who assemble when one trumpet is blown according to Numbers 10:4.

Numbers 7:2 Historical context

Numbers 7:2 identifies these same 'leaders' as those who brought offerings for the tabernacle dedication.