Numbers 18:28

And of this manner ye shall heave a 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 unto Aaron the priest.

Genesis 14:18

Then Melchizedek king of Salem brought forth bread and wine. And he being the priest of the most highest God, blessed him, saying,

Hebrews 6:20-10

whither the forerunner is for us entered in, I mean Jesus that is made 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
Then Melchizedek king of Salem brought forth bread and wine. And he being the priest of the most highest God, blessed him, saying,
Hebrews 6:20
whither the forerunner is for us entered in, I mean Jesus that is made a high priest forever, after the order of Melchizedek.
Hebrews 7:1
This Melchizedek, king of Salem - which being priest of the most high God, met Abraham, as he returned again from the slaughter of the kings, and blessed him: