20Inἐνthatἐκείνῃτῇdayἡμέρᾳwill knowγνώσεσθεyouὑμεῖςthatὅτιI [am]ἐγὼinἐνtheτῷFatherπατρίof MeμουandκαὶyouὑμεῖςinἐνMeἐμοὶand Iκἀγὼinἐνyouὑμῖν.
In that day you⁺ will know that I [am] in My Father, and you⁺ in Me, and I in you⁺.
κἀγὼ
κἀγώ
I also, I too