Exodus 29:28
And it shall be Aaron's and his sons' by a statute for ever from the children of Israel: for it is an heave offering: and it shall be an heave offering from the children of Israel of the sacrifice of their peace offerings, even their heave offering to the LORD.
Torrey's Topical Textbook—AKJV

Leviticus 7:31-34
And the priest shall burn the fat on the altar: but the breast shall be Aaron's and his sons'.
Torrey's Topical Textbook—AKJV