Numbers 7:2

that the princes of Israel, the heads of their fathers' houses, offered. These were the princes of the tribes. These are they who were over those who were numbered:

Numbers 1:4-16

With you there shall be a man of every tribe; everyone head of his fathers' house.

2 Chronicles 35:8

His princes gave for a freewill offering to the people, to the priests, and to the Levites. Hilkiah and Zechariah and Jehiel, the rulers of the house of God, gave to the priests for the Passover offerings two thousand and six hundred [small livestock], and three hundred head of cattle.

Exodus 35:27

The rulers brought the onyx stones, and the stones to be set, for the ephod and for the breastplate;

Numbers 2:1-34

Yahweh spoke to Moses and to Aaron, saying,

Numbers 10:1-36

Yahweh spoke to Moses, saying,

1 Chronicles 29:6-8

Then the princes of the fathers' [houses], and the 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

Some of the heads of fathers' [houses], when they came to the house of Yahweh which is in Jerusalem, offered willingly for the house of God to set it up in its place:

Nehemiah 7:70-72

Some from among the heads of fathers' [houses] gave to the work. The governor gave to the treasury one thousand darics of gold, fifty basins, and five hundred 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
With you there shall be a man of every tribe; everyone head of his fathers' house.

Offered

Exodus 35:27
The rulers brought the onyx stones, and the stones to be set, for the ephod and for the breastplate;
1 Chronicles 29:6
Then the princes of the fathers' [houses], and the 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
His princes gave for a freewill offering to the people, to the priests, and to the Levites. Hilkiah and Zechariah and Jehiel, the rulers of the house of God, gave to the priests for the Passover offerings two thousand and six hundred [small livestock], and three hundred head of cattle.
Ezra 2:68
Some of the heads of fathers' [houses], when they came to the house of Yahweh which is in Jerusalem, offered willingly for the house of God to set it up in its place:
Nehemiah 7:70
Some from among the heads of fathers' [houses] gave to the work. The governor gave to the treasury one thousand darics of gold, fifty basins, and five hundred thirty priests' garments.

General references

Numbers 10:4
If they blow just one, then the princes, the heads of the thousands of Israel, shall gather themselves to you.
Numbers 30:1
Moses spoke to the heads of the tribes of the children of Israel, saying, "This is the thing which Yahweh has commanded.
Numbers 31:51
Moses and Eleazar the priest took the gold of them, even all worked jewels.