NET
13 so that your hearts are strengthened in holiness to be blameless before our God and Father at the coming of our Lord Jesus with all his saints.
Darby
13 in order to the confirming of your hearts unblamable in holiness before our God and Father at the coming of our Lord Jesus with all his saints.
KJV
13 To the end he may stablish your hearts unblameable in holiness before God, even our Father, at the coming of our Lord Jesus Christ with all his saints.