I am writing to you, little sons, because your sins are forgiven for the sake of his name
Other versions
King James Version
I write unto you, little children, because your sins are forgiven you for his name's sake.English Standard Version
I am writing to you, little children, because your sins are forgiven for his name's sake.New International Version
I write to you, dear children, because your sins have been forgiven on account of his name.