King James Bible
For he testifieth, Thou art a priest for ever after the order of Melchisedec.

New King James Version
For He testifies: “You are a priest forever According to the order of Melchizedek.”

American Standard Version
for it is witnessed of him, Thou art a priest for ever After the order of Melchizedek.

Berean Study Bible
For it is testified: “You are a priest forever in the order of Melchizedek.”

Douay-Rheims Bible
For he testifieth: Thou art a priest for ever, according to the order of Melchisedech.

English Revised Version
for it is witnessed of him, Thou art a priest for ever After the order of Melchizedek.

World English Bible
for it is testified, "You are a priest forever, according to the order of Melchizedek."

Young's Literal Translation
for He doth testify -- 'Thou art a priest -- to the age, according to the order of Melchisedek;'

Hebrews 7:17 Additional Translations ...