NET
3 What we have seen and heard we announce to you too, so that you may have fellowship with us (and indeed our fellowship is with the Father and with his Son Jesus Christ).
Darby
3 that which we have seen and heard we report to you, that *ye* also may have fellowship with us; and our fellowship [is] indeed with the Father, and with his Son Jesus Christ.
KJV
3 That which we have seen and heard declare we unto you, that ye also may have fellowship with us: and truly our fellowship [is] with the Father, and with his Son Jesus Christ.