Exodus 28:10

New International Version

in the order of their birth—six names on one stone and the remaining six on the other.

See the chapter Copy

The men had been seated before him in the order of their ages, from the firstborn to the youngest; and they looked at each other in astonishment.

Engrave the names of the sons of Israel on the two stones the way a gem cutter engraves a seal. Then mount the stones in gold filigree settings

“Take two onyx stones and engrave on them the names of the sons of Israel