οὐκ ἔγνωσαν ὅτι τὸν πατέρα αὐτοῖς ἔλεγεν.

1. οὐκ
   not
2. ἔγνωσαν
   they knew
   knew
3. ὅτι
   that
   because
4. τὸν
   the
5. πατέρα
   father
6. αὐτοῖς
   to them
   them
7. ἔλεγεν
   he was saying
   was saying, he said
8.  
   .
    

They did not know that he was speaking to them about the Father.