1 John 1:3

3that whichὃwe have seenἑωράκαμενandκαὶhave heardἀκηκόαμενwe proclaimἀπαγγέλλομενalsoκαὶto youὑμῖν,so thatἵναalsoκαὶyouὑμεῖςfellowshipκοινωνίανmay haveἔχητεwithμεθ’usἡμῶν·Indeedκαὶtheἡfellowshipκοινωνίαnowδὲἡof usἡμετέρα[is] withμετὰtheτοῦFatherπατρὸςandκαὶwithμετὰtheτοῦSonυἱοῦof HimαὐτοῦJesusἸησοῦChristΧριστοῦ·

that which we have seen and have heard we declare to you⁺ also, so that you⁺ also may have fellowship with us. And indeed our fellowship [is] with the Father and with His Son, Jesus Christ.