1 Chronicles 9:30

Other sons of the priests prepared the mixture of spices.

Exodus 30:23-25

“Take for yourself the best spices: five hundred shekels of liquid myrrh, half as much—two hundred and fifty—of sweet-scented cinnamon, and two hundred and fifty of fragrant cane,

Exodus 30:33

Whoever prepares any like it or puts any of it on a layman shall be cut off from his people [excluding him from the atonement made for them].’”

Exodus 30:35-38

and make incense with it, a perfume, the work of a perfumer, salted, pure and sacred.

Exodus 37:29

He also made the holy anointing oil and the pure, fragrant incense of spices, the work of a perfumer.

Treasury of Scripture Knowledge

Summary

And some of the sons of the priests made the ointment of the spices.

Bible References

Of the sons

Exodus 30:25
You shall make of these a holy anointing oil, a perfume mixture, the work of a perfumer; it shall be a sacred anointing oil.
Exodus 37:29
He also made the holy anointing oil and the pure, fragrant incense of spices, the work of a perfumer.