ἀλλὰ τοῦτον οἴδαμεν πόθεν ἐστίν· ὁ δὲ Χριστὸς ὅταν ἔρχηται, οὐδεὶς γινώσκει πόθεν ἐστίν.

1. ἀλλὰ
   but
2. τοῦτον
   this
3. οἴδαμεν
   we know
4. πόθεν
   from where
5. ἐστίν
   is
6.  
   ·
    
7. ὁ
   the
8. δὲ
   but
   and
9. Χριστὸς
   Christ
10. ὅταν
    whenever
    when
11. ἔρχηται
    comes
    he comes, may come
12.  
    ,
     
13. οὐδεὶς
    no one
14. γινώσκει
    knows
15. πόθεν
    from where
16. ἐστίν
    is
17.  
    .
     

But we know where this man is from, but when Christ comes, no one knows where he is from.