καὶ εἰς τὴν οἰκίαν πάλιν οἱ μαθηταὶ περὶ τούτου ἐπηρώτων αὐτόν,

1. καὶ
   and
2. εἰς
   into
3. τὴν
   the
4. οἰκίαν
   house
5. πάλιν
   again
6. οἱ
   the
7. μαθηταὶ
   disciples
8. περὶ
   about
   concerning
9. τούτου
   this
   of this
10. ἐπηρώτων
    they were asking
    were asking
11. αὐτόν
    him
12.  
    ,
     

And in the house again, the disciples were asking him concerning this.