Numbers 7:2

“These are they who were called upon by the congregation, the leaders of their fathers’ tribes; they were the heads of divisions of Israel.”

“Yet if only one is blown, then the leaders, the heads of the divisions of Israel, shall assemble before you.

Then Moses spoke to the heads of the tribes of the sons of Israel, saying, “This is the word which Yahweh has commanded.

Then Solomon assembled the elders of Israel and all the heads of the tribes, the leaders of the fathers’ households of the sons of Israel, to King Solomon in Jerusalem, to bring up the ark of the covenant of Yahweh from the city of David, which is Zion.