You are witnesses, and so is God, of how holy, righteous, and blameless our conduct was among you who believed.
Berean Standard Bible (BSB)
You are witnesses with God, how holy, righteously, and blamelessly we behaved ourselves toward you who believe.
World English Bible (WEB)
Ye{G5210} are witnesses{G3144}, and{G2532} God{G2316} also, how{G5613} holily{G3743} and{G2532} justly{G1346} and{G2532} unblameably{G274} we behaved ourselves{G1096}{(G5675)} among you{G5213} that believe{G4100}{(G5723)}:
Strong's King James
(10) You are witnesses and יהוה YAHWEH, how devoutly, fairly and blamelessly we became towards you, the believers.
The F.O.G
The F.O.G Message
ye are witnesses—God also—how kindly and righteously, and blamelessly to you who believe we became,
Young's Literal Translation