Berean Study Bible
God, whom I serve with my spirit in preaching the gospel of His Son, is my witness how constantly I remember you

King James Bible
For God is my witness, whom I serve with my spirit in the gospel of his Son, that without ceasing I make mention of you always in my prayers;

American Standard Version
For God is my witness, whom I serve in my spirit in the gospel of his Son, how unceasingly I make mention of you, always in my prayers

Darby Bible Translation
For God is my witness, whom I serve in my spirit in the glad tidings of his Son, how unceasingly I make mention of you,

Douay-Rheims Bible
For God is my witness, whom I serve in my spirit in the gospel of his Son, that without ceasing I make a commemoration of you;

English Revised Version
For God is my witness, whom I serve in my spirit in the gospel of his Son, how unceasingly I make mention of you, always in my prayers

Young's Literal Translation
for God is my witness, whom I serve in my spirit in the good news of His Son, how unceasingly I make mention of you,