Berean Study Bible
You are witnesses, and so is God, of how holy, righteous, and blameless our conduct was among you who believed.

King James Bible
Ye are witnesses, and God also, how holily and justly and unblameably we behaved ourselves among you that believe:

American Standard Version
Ye are witnesses, and God also , how holily and righteously and unblameably we behaved ourselves toward you that believe:

Darby Bible Translation
Ye [are] witnesses, and God, how piously and righteously and blamelessly we have conducted ourselves with you that believe:

Douay-Rheims Bible
You are witnesses, and God also, how holily, and justly, and without blame, we have been to you that have believed:

English Revised Version
Ye are witnesses, and God also, how holily and righteously and unblameably we behaved ourselves toward you that believe:

Young's Literal Translation
ye are witnesses -- God also -- how kindly and righteously, and blamelessly to you who believe we became,