'Heads of the Tribes' in the Bible

And Moses spoke to the heads of the tribes concerning the children of Israel, saying, This is the thing which the LORD hath commanded.

Then Solomon assembled the elders of Israel, and all the heads of the tribes, the chief of the fathers of the children of Israel, to king Solomon in Jerusalem, that they might bring the ark of the covenant of the LORD out of the city of David, which is Zion.

Then Solomon assembled the elders of Israel, and all the heads of the tribes, the chief of the fathers of the children of Israel, to Jerusalem, to bring up the ark of the covenant of the LORD from the city of David, which is Zion.