11 Formerly he was useless to you, but now he has become useful both to you and to me.

11 (Formerly he was useless to you, but now he is indeed useful to you and to me.)

11 which in time past was to thee unprofitable, but now profitable to thee and to me:

11 Onesimus hasn’t been of much use to you in the past, but now he is very useful to both of us.

11 In the past he was useless to you, but now he has become useful for both you and me.

11 who once was unprofitable to thee, but now is profitable to thee and to me:

11 once unserviceable to thee, but now serviceable to thee and to me:

11 Once he was useless to you, but now he is very useful to both of us. 

11 Once he was useless to you, but now he is useful both to you and to me.

11 Formerly he was useless to you, but now he is indeed useful both to you and to me.

11 Once he was useless to you, but now he is useful to you and to me,

11 Before that, he was useless to you. But now he has become useful to you and to me.

11 who formerly was useless to you, but now is useful both to you and to me.