καὶ ἐβαπτίζοντο ἐν τῷ Ἰορδάνῃ ὑπ᾽ αὐτοῦ ἐξομολογούμενοι τὰς ἁμαρτίας αὐτῶν.

1. καὶ
   and
2. ἐβαπτίζοντο
   were being baptized
   they were baptized, were baptized
3. ἐν
   in
4. τῷ
   the
   to the
5. Ἰορδάνῃ
   Jordan
6. ὑπ᾽
   by
7. αὐτοῦ
   his
8. ἐξομολογούμενοι
   confessing
9. τὰς
   the
10. ἁμαρτίας
    sin
    sins
11. αὐτῶν
    their
    of them
12.  
    .
     

And they were baptized in the Jordan by him, confessing their sins.