Numbers 18:28

Thus you also shall offer a wave offering to Yahweh of all your tithes, which you receive of the children of Israel; and of it you shall give Yahweh's wave offering to Aaron the priest.

Genesis 14:18

Melchizedek king of Salem brought out bread and wine: and he was priest of God Most High.

Hebrews 6:20-10

where as a forerunner Jesus entered for us, having become a high priest forever after the order of Melchizedek.

Treasury of Scripture Knowledge

Summary

Thus ye also shall offer an heave offering unto the LORD of all your tithes, which ye receive of the children of Israel; and ye shall give thereof the LORD'S heave offering to Aaron the priest.

Bible References

And ye shall

Genesis 14:18
Melchizedek king of Salem brought out bread and wine: and he was priest of God Most High.
Hebrews 6:20
where as a forerunner Jesus entered for us, having become a high priest forever after the order of Melchizedek.
Hebrews 7:1
For this Melchizedek, king of Salem, priest of God Most High, who met Abraham returning from the slaughter of the kings and blessed him,