Numbers 7:2

that the princes of Israel, the heads of their fathers' houses, the princes of the tribes, they that were over them that had been numbered, offered;

Numbers 1:4-16

And with you there shall be a man for every tribe, a man who is the head of his father's house.

2 Chronicles 35:8

And his princes gave a voluntary heave-offering for the people, for the priests, and for the Levites: Hilkijah and Zechariah and Jehiel, rulers of the house of God, gave to the priests for the passover-offerings two thousand six hundred small cattle and three hundred oxen;

Exodus 35:27

And the principal men brought the onyx stones, and the stones to be set, for the ephod, and for the breastplate;

Numbers 2:1-34

And Jehovah spoke to Moses and to Aaron, saying,

Numbers 10:1-36

And Jehovah spoke to Moses, saying,

1 Chronicles 29:6-8

And the chief fathers and princes of the tribes of Israel, and the captains of thousands and of hundreds, and the comptrollers of the king's business, offered willingly.

Ezra 2:68-69

And some of the chief fathers, when they came to the house of Jehovah 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 fathers gave to the work. The Tirshatha gave to the treasure a thousand darics of gold, fifty basons, five hundred and thirty priests' coats.

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 for every tribe, a man who is the head of his father's house.

Offered

Exodus 35:27
And the principal men brought the onyx stones, and the stones to be set, for the ephod, and for the breastplate;
1 Chronicles 29:6
And the chief fathers and princes of the tribes of Israel, and the captains of thousands and of hundreds, and the comptrollers of the king's business, offered willingly.
2 Chronicles 35:8
And his princes gave a voluntary heave-offering for the people, for the priests, and for the Levites: Hilkijah and Zechariah and Jehiel, rulers of the house of God, gave to the priests for the passover-offerings two thousand six hundred small cattle and three hundred oxen;
Ezra 2:68
And some of the chief fathers, when they came to the house of Jehovah 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 fathers gave to the work. The Tirshatha gave to the treasure a thousand darics of gold, fifty basons, five hundred and thirty priests' coats.

General references

Numbers 10:4
And if they blow with one, then the princes, the heads of the thousands of Israel, shall gather unto thee.
Numbers 30:1
And Moses spoke to the heads of the tribes of the children of Israel, saying, This is what Jehovah hath commanded.
Numbers 31:51
And Moses and Eleazar the priest took the gold of them, all manner of wrought jewels.