Hebrews 7:1-2

This Melchizedek was king of Salem and priest of God Most High. He met Abraham returning from the defeat of the kings and blessed him, and Abraham gave him a tenth of everything. First, his name means "king of righteousness"; then also, "king of Salem" which means "king of peace."

This Melchizedek was king of Salem
Psalm 76:2 His tent is in Salem, his dwelling place in Zion.

and priest of God Most High
Mark 5:7 He shouted at the top of his voice, "What do you want with me, Jesus, Son of the Most High God? Swear to God that you won't torture me!"

He met Abraham returning from the defeat of the kings and blessed him
Hebrews 6:6 This man, however, did not trace his descent from Levi, yet he collected a tenth from Abraham and blessed him who had the promises.
Genesis 14:18-20 Then Melchizedek king of Salem brought out bread and wine. He was priest of God Most High, and he blessed Abram saying, "Blessed be Abram by God Most High, Creator of heaven and earth. And blessed be God Most High, who delivered your enemies into your hand." Then Abram gave him a tenth of everything.

NOTES:
Read Romans 8

King of righteousness, king of peace - Messianic titles:
Isaiah 9:6-7 For unto us a child is born, to us a son is given and the government will be on his shoulders. And he will be called Wonderful Counselor, Mighty God, Everlasting Father, Prince of Peace. Of the increase of his government and peace there will be no end. He will reign on David's throne and over his kingdom, establishing and upholding it with justice and righteousness from that time on and forever. The zeal of the LORD Almighty will accomplish this.
Jeremiah 23:5-6 "The days are coming," declares the LORD, "when I will raise up to David a righteous Branch, a King who will reign wisely and do what is just and right in the land. In his days Judah will be saved and Israel will live in safety. This is the name by which he will be called: The LORD Our Righteousness."
Jeremiah 33:15-16 "'In those days and at that time I will make a righteous Branch sprout from David's line; he will do what is just and right in the land. In those days Judah will be saved and Jerusalem will live in safety. This is the name by which it will be called: The LORD Our Righteousness.'"

Scriptures taken from the Holy Bible, New International Version® NIV®, Copyright© 1973, 1978, 1984 by International Bible Society. Used by permission. All rights reserved worldwide.