Hebrews 5:6,10
As he said also in another place, You are a priest for ever after the order of Melchisedec.
Nave's Topical Index—AKJV

Hebrews 6:20
Where the forerunner is for us entered, even Jesus, made an high priest for ever after the order of Melchisedec.
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Hebrews 7:1-21
For this Melchisedec, king of Salem, priest of the most high God, who met Abraham returning from the slaughter of the kings, and blessed him;
Nave's Topical Index—AKJV