καὶ ὁ ὀμόσας ἐν τῷ οὐρανῷ ὀμνύει ἐν τῷ θρόνῳ τοῦ Θεοῦ καὶ ἐν τῷ καθημένῳ ἐπάνω αὐτοῦ.

1. καὶ
   and
2. ὁ
   the
3. ὀμόσας
   having sworn
4. ἐν
   in
5. τῷ
   the
   to the
6. οὐρανῷ
   heaven
7. ὀμνύει
   swears
8. ἐν
   in
9. τῷ
   the
   to the
10. θρόνῳ
    throne
11. τοῦ
    of the
    the
12. Θεοῦ
    God
13. καὶ
    and
14. ἐν
    in
15. τῷ
    the
    to the
16. καθημένῳ
    sitting
17. ἐπάνω
    above
18. αὐτοῦ
    his
19.  
    .
     

and the one who has sworn by heaven swears by the throne of God and by the one sitting above it.