καὶ περίλυπος γενόμενος ὁ βασιλεύς, διὰ τοὺς ὅρκους καὶ τοὺς συνανακειμένους οὐκ ἠθέλησεν αὐτὴν ἀθετῆσαι.

1. καὶ
   and
2. περίλυπος
   very sorrowful
   deeply grieved
3. γενόμενος
   having become
4. ὁ
   the
5. βασιλεύς
   king
6.  
   ,
    
7. διὰ
   through
   because of
8. τοὺς
   the
9. ὅρκους
   oaths
10. καὶ
    and
11. τοὺς
    the
12. συνανακειμένους
    those reclining with him
    guests
13. οὐκ
    not
14. ἠθέλησεν
    he was willing
    he wanted
15. αὐτὴν
    it
    her
16. ἀθετῆσαι
    to set aside
    act faithlessly, to reject
17.  
    .
     

And the king, having become very sorrowful because of the oaths and the guests, was not willing to reject her.