1 sn Travel through Samaria was not geographically necessary; the normal route for Jews ran up the east side of the Jordan River (Transjordan). Although some take the impersonal verb had to (δεῖ, dei) here to indicate logical necessity only, normally in John’s Gospel its use involves God’s will or plan (3:7, 3:14, 3:30, 4:4, 4:20, 4:24, 9:4, 10:16, 12:34, 20:9).
2 sn Samaria. The Samaritans were descendants of 2 groups: (1) The remnant of native Israelites who were not deported after the fall of the Northern Kingdom in 722