And Melchizedek the king of Salem brought out bread and wine; now he was a priest of God Most High.
Genesis 14:18 (NIV)
The rabbis suggest that Melchizedek may be Shem, the son of Noah. Or at least, the text is linking the concepts of the two men.
“מלך שלם” (“King of Salem”) The initial letters of these words spell the name Shem. This teaches that Malchizedek was Shem, the son of Noah.
Kitzur Ba’al HaTurim on Genesis 14:18:1
Consider that “Shem” means “name,” and the God is often referred to as “haShem,” or “the Name.”