Berean Study Bible
For I certify to you, brothers, that the gospel I preached was not devised by man.

King James Bible
But I certify you, brethren, that the gospel which was preached of me is not after man.

American Standard Version
For I make known to you, brethren, as touching the gospel which was preached by me, that it is not after man.

Darby Bible Translation
But I let you know, brethren, [as to] the glad tidings which were announced by me, that they are not according to man.

Douay-Rheims Bible
For I give you to understand, brethren, that the gospel which was preached by me is not according to man.

English Revised Version
For I make known to you, brethren, as touching the gospel which was preached by me, that it is not after man.

Young's Literal Translation
And I make known to you, brethren, the good news that were proclaimed by me, that it is not according to man,