NET
16 For how do you know, wife, whether you will bring your husband to salvation? Or how do you know, husband, whether you will bring your wife to salvation?
Darby
16 For what knowest thou, O wife, if thou shalt save thy husband? or what knowest thou, O husband, if thou shalt save thy wife?
KJV
16 For what knowest thou, O wife, whether thou shalt save [thy] husband? or how knowest thou, O man, whether thou shalt save [thy] wife?