Berean Study Bible
I was personally unknown, however, to the churches of Judea that are in Christ.

King James Bible
And was unknown by face unto the churches of Judaea which were in Christ:

American Standard Version
And I was still unknown by face unto the churches of Judaea which were in Christ:

Darby Bible Translation
But I was unknown personally to the assemblies of Judaea which [are] in Christ;

Douay-Rheims Bible
And I was unknown by face to the churches of Judea, which were in Christ:

English Revised Version
And I was still unknown by face unto the churches of Judaea which were in Christ:

Young's Literal Translation
and was unknown by face to the assemblies of Judea, that are in Christ,