NET
1 (My little children, I am writing these things to you so that you may not sin.) But if anyone does sin, we have an advocate with the Father, Jesus Christ the Righteous One,
Darby
1 My children, these things I write to you in order that ye may not sin; and if any one sin, we have a patron with the Father, Jesus Christ [the] righteous;
KJV
1 My little children, these things write I unto you, that ye sin not. And if any man sin, we have an advocate with the Father, Jesus Christ the righteous: