New Living Translation
God, the Father of our Lord Jesus, who is worthy of eternal praise, knows I am not lying.

American Standard Version
The God and Father of the Lord Jesus, he who is blessed for evermore knoweth that I lie not.

Berean Study Bible
The God and Father of the Lord Jesus, who is forever worthy of praise, knows that I am not lying.

Douay-Rheims Bible
The God and Father of our Lord Jesus Christ, who is blessed for ever, knoweth that I lie not.

English Revised Version
The God and Father of the Lord Jesus, he who is blessed for evermore, knoweth that I lie not.

King James Bible
The God and Father of our Lord Jesus Christ, which is blessed for evermore, knoweth that I lie not.

World English Bible
The God and Father of the Lord Jesus Christ, he who is blessed forevermore, knows that I don't lie.

Young's Literal Translation
the God and Father of our Lord Jesus Christ -- who is blessed to the ages -- hath known that I do not lie! --

2 Corinthians 11:31 Additional Translations ...