Exodus 29:26
"You are to take the breast of the ram of Aaron's ordination, and present it as a wave offering in the LORD's presence, and it is to be your portion.
Leviticus 8:29
Moses took the breast and waved it as a raised offering in the LORD's presence as the portion that belonged to Moses from the ram of consecration, just as the LORD had commanded him.
Leviticus 7:31
The priest will burn the fat on the altar, but the breast belongs to Aaron and his sons.
Leviticus 7:34
since I've taken the breast and the thigh as raised offerings from the sacrifices of peace offerings of the Israelis and have given them to Aaron the priest and his sons as their perpetual portion from the Israelis."
Psalm 99:6
Moses and Aaron were among his priests; Samuel also was among those who invoked his name. When they called on the LORD, he answered them.