Numbers 7:2

That the princes of Israel, heads of the house of their fathers, who were the princes of the tribes, and were over them that were numbered, offered:

Numbers 1:4-16

And with you there shall be a man of every tribe; every one head of the house of his fathers.

2 Chronicles 35:8

And his princes gave willingly to the people, to the priests, and to the Levites: Hilkiah and Zechariah and Jehiel, rulers of the house of God, gave to the priests for the passover-offerings two thousand and six hundred small cattle, and three hundred oxen.

Exodus 35:27

And the rulers brought onyx stones, and stones to be set, for the ephod, and for the breast-plate;

Numbers 2:1-34

And the LORD spoke to Moses and to Aaron, saying,

Numbers 10:1-36

And the LORD spoke to Moses, saying,

1 Chronicles 29:6-8

Then the chief of the fathers and princes of the tribes of Israel, and the captains of thousands and of hundreds, with the rulers over the king's work, offered willingly,

Ezra 2:68-69

And some of the chief of the fathers, when they came to the house of the LORD which is at Jerusalem, offered freely for the house of God to set it up in its place:

Nehemiah 7:70-72

And some of the chief of the fathers gave to the work. The Tirshatha gave to the treasure a thousand drams of gold, fifty basins, five hundred and thirty priests' garments.

Treasury of Scripture Knowledge

Summary

That the princes of Israel, heads of the house of their fathers, who were the princes of the tribes, and were over them that were numbered, offered:

The princes

Bible References

The princes

Numbers 1:4
And with you there shall be a man of every tribe; every one head of the house of his fathers.

Offered

Exodus 35:27
And the rulers brought onyx stones, and stones to be set, for the ephod, and for the breast-plate;
1 Chronicles 29:6
Then the chief of the fathers and princes of the tribes of Israel, and the captains of thousands and of hundreds, with the rulers over the king's work, offered willingly,
2 Chronicles 35:8
And his princes gave willingly to the people, to the priests, and to the Levites: Hilkiah and Zechariah and Jehiel, rulers of the house of God, gave to the priests for the passover-offerings two thousand and six hundred small cattle, and three hundred oxen.
Ezra 2:68
And some of the chief of the fathers, when they came to the house of the LORD which is at Jerusalem, offered freely for the house of God to set it up in its place:
Nehemiah 7:70
And some of the chief of the fathers gave to the work. The Tirshatha gave to the treasure a thousand drams of gold, fifty basins, five hundred and thirty priests' garments.

General references

Numbers 10:4
And if they blow but with one trumpet, then the princes, who are heads of the thousands of Israel, shall assemble themselves to thee.
Numbers 30:1
And Moses spoke to the heads of the tribes concerning the children of Israel, saying, This is the thing which the LORD hath commanded.
Numbers 31:51
And Moses and Eleazar the priest took the gold of them, even all wrought jewels.