Genesis 14:18-22

ISV(i) 18 King Melchizedek of Salem brought out bread and wine, since he was serving as the priest of God Most High. 19 Melchizedek blessed Abram and said, “Abram is blessed by God Most High, Creator of heaven and earth, 20 and blessed be God Most High, who has delivered your enemies into your control.”
Then Abram gave him a tenth of everything.
21 Conversation with the King of SodomThe king of Sodom told Abram, “Return the people to me, and you take the possessions for yourself.”
22 But Abram answered the king of Sodom, “I have made an oath to the LORD God Most High, Creator of heaven and earth,