Genesis 14:20

14:20 Worthy of praise is the Most High God,

who delivered your enemies into your hand.”

Abram gave Melchizedek a tenth of everything.

Leviticus 27:30-33

Redemption of the Tithe

27:30 “‘Any tithe of the land, from the grain of the land or from the fruit of the trees, belongs to the Lord; it is holy to the Lord. 27:31 If a man redeems part of his tithe, however, he must add one fifth to it. 27:32 All the tithe of herd or flock, everything which passes under the rod, the tenth one will be holy to the Lord. 27:33 The owner must not examine the animals to distinguish between good and bad, and he must not exchange it. If, however, he does exchange it, both the original animal and its substitute will be holy. It must not be redeemed.’”

Deuteronomy 14:22-23

The Offering of Tribute

14:22 You must be certain to tithe all the produce of your seed that comes from the field year after year. 14:23 In the presence of the Lord your God you must eat from the tithe of your grain, your new wine, your olive oil, and the firstborn of your herds and flocks in the place he chooses to locate his name, so that you may learn to revere the Lord your God always.