Cross reference
Exodus 35:27
27 The rulers brought the onyx stones, and the stones to be set, for the ephod and for the breastplate;
1 Chronicles 29:6
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;
Ezra 2:68
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:
Exodus 35:9
9 onyx stones, and stones to be set for the ephod and for the breastplate.