Now when he was in Jerusalem at the passover, in the feast day, many believed in his name, when they saw the miracles which he did.
All Commentaries on John 2:23 Go To John 2
Irenaeus of Lyons
AD 202
First of all, after He had made the water wine at Cana of Galilee, He went up to the festival day of the passover, on which occasion it is written, "For many believed in Him, when they saw the signs which He did"