NET
9 For God, whom I serve in my spirit in the gospel of his Son, is my witness that I continually remember you
Darby
9 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,
KJV
9 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;