But then, certainly, while ignorant of God, you served those who, by nature, are not gods
Other versions
King James Version
Howbeit then, when ye knew not God, ye did service unto them which by nature are no gods.English Standard Version
Formerly, when you did not know God, you were enslaved to those that by nature are not gods.New International Version
Formerly, when you did not know God, you were slaves to those who by nature are not gods.