Numbers 7:2

that the princes of Israel, heads of the houses of their fathers, who were the princes of the tribes, and were over those 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 unto the people, to the priests, and to the Levites. Hilkiah, Zechariah, and Jehiel, rulers of the house of God, gave unto the priests for the passover offerings two thousand six hundred sheep and three hundred oxen.

Exodus 35:27

And the princes brought onyx stones and the stones to be set for the ephod and for the pectoral;

Numbers 2:1-34

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

Numbers 10:1-36

And the LORD spoke unto Moses, saying,

1 Chronicles 29:6-8

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

Ezra 2:68-69

And some of the heads of the fathers, when they came to the house of the LORD which was at Jerusalem, offered freely for the house of God to set it up in his place.

Nehemiah 7:70-72

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

General references

Numbers 10:4
But when they blow only one, then the princes, who are heads of the thousands of Israel, shall gather themselves unto thee.
Numbers 30:1
And Moses spoke unto the princes of the tribes concerning the sons of Israel, saying, This is the thing which the LORD has commanded.
Numbers 31:51
And Moses and Eleazar, the priest, took the gold from them, all wrought vessels.