So the father knew that [it was] at the same hour, in the which Jesus said unto him, Thy son liveth: and himself believed, and his whole house.
Berean Study Bible (BSB) - John 4:53 >Then the father realized that this was the very hour in which Jesus had told him, “Your son will live.” And he and all his household believed.
Textus Receptus (TR) - John 4:53 >Ἔγνω οὖν ὁ πατὴρ ὅτι ἐν ἐκείνῃ τῇ ὥρᾳ, ἐν ᾗ εἶπεν αὐτῷ ὁ Ἰησοῦς ὅτι Ὁ υἱός σου ζῇ· καὶ ἐπίστευσεν αὐτὸς καὶ ἡ οἰκία αὐτοῦ ὅλη.