King James Bible
Even as the testimony of Christ was confirmed in you:

New King James Version
even as the testimony of Christ was confirmed in you,

American Standard Version
even as the testimony of Christ was confirmed in you:

Berean Study Bible
because our testimony about Christ was confirmed in you.

Douay-Rheims Bible
As the testimony of Christ was confirmed in you,

English Revised Version
even as the testimony of Christ was confirmed in you:

World English Bible
even as the testimony of Christ was confirmed in you:

Young's Literal Translation
according as the testimony of the Christ was confirmed in you,

1 Corinthians 1:6 Additional Translations ...