English Standard Version
assuming that you have heard about him and were taught in him, as the truth is in Jesus,

American Standard Version
if so be that ye heard him, and were taught in him, even as truth is in Jesus:

Berean Study Bible
Surely you heard of Him and were taught in Him—in keeping with the truth that is in Jesus—

Douay-Rheims Bible
If so be that you have heard him, and have been taught in him, as the truth is in Jesus:

English Revised Version
if so be that ye heard him, and were taught in him, even as truth is in Jesus:

King James Bible
If so be that ye have heard him, and have been taught by him, as the truth is in Jesus:

World English Bible
if indeed you heard him, and were taught in him, even as truth is in Jesus:

Young's Literal Translation
if so be ye did hear him, and in him were taught, as truth is in Jesus;

Ephesians 4:21 Additional Translations ...