A certain nobleman - One who was of the royal family, connected by birth with Herod Antipas; or one of the officers of the court, whether by birth allied to him or not. It seems that his ordinary residence was at Capernaum. Capernaum was about a day’s journey from Cana, where Jesus then was.
Related Commentaries of John 4:46
John 4:46
46 So Jesus came again into Cana of Galilee, where he made the water wine. And there was a certain nobleman,a whose son was sick at Capernaum.