NASB 1995
For I was very glad when brethren came and testified to your truth, that is, how you are walking in truth.

American Standard Version
For I rejoiced greatly, when brethren came and bare witness unto thy truth, even as thou walkest in truth.

Berean Study Bible
For I was overjoyed when the brothers came and testified about your devotion to the truth, in which you continue to walk.

Douay-Rheims Bible
I was exceedingly glad when the brethren came and gave testimony to the truth in thee, even as thou walkest in the truth.

English Revised Version
For I rejoiced greatly, when brethren came and bare witness unto thy truth, even as thou walkest in truth.

King James Bible
For I rejoiced greatly, when the brethren came and testified of the truth that is in thee, even as thou walkest in the truth.

World English Bible
For I rejoiced greatly, when brothers came and testified about your truth, even as you walk in truth.

Young's Literal Translation
for I rejoiced exceedingly, brethren coming and testifying of the truth in thee, even as thou in truth dost walk;

3 John 1:3 Additional Translations ...