English Standard Version
I thank God whom I serve, as did my ancestors, with a clear conscience, as I remember you constantly in my prayers night and day.

American Standard Version
I thank God, whom I serve from my forefathers in a pure conscience, how unceasing is my remembrance of thee in my supplications, night and day

Berean Study Bible
I thank God, whom I serve with a clear conscience as did my forefathers, as I constantly remember you night and day in my prayers.

Douay-Rheims Bible
I give thanks to God, whom I serve from my forefathers with a pure conscience, that without ceasing, I have a remembrance of thee in my prayers, night and day.

English Revised Version
I thank God, whom I serve from my forefathers in a pure conscience, how unceasing is my remembrance of thee in my supplications, night and day

King James Bible
I thank God, whom I serve from my forefathers with pure conscience, that without ceasing I have remembrance of thee in my prayers night and day;

World English Bible
I thank God, whom I serve as my forefathers did, with a pure conscience. How unceasing is my memory of you in my petitions, night and day

Young's Literal Translation
I am thankful to God, whom I serve from progenitors in a pure conscience, that unceasingly I have remembrance concerning thee in my supplications night and day,

2 Timothy 1:3 Additional Translations ...