KJV - But I have prayed for thee, that thy faith fail not: and when thou art converted, strengthen thy brethren.

ASV - but I made supplication for thee, that thy faith fail not; and do thou, when once thou hast turned again, establish thy brethren.

BBE - But I have made prayer for you, that your faith may not go from you: and when you are turned again, make your brothers strong.

WEB - but I prayed for you, that your faith wouldn't fail. You, when once you have turned again, establish your brothers{The word for "brothers" here may be also correctly translated "brothers and sisters" or "siblings."}."

YLT - and I besought for thee, that thy faith may not fail; and thou, when thou didst turn, strengthen thy brethren.'

Notes