εἰ οὖν Δαυῒδ καλεῖ αὐτὸν Κύριον, πῶς υἱὸς αὐτοῦ ἐστι;

1. εἰ
   if
2. οὖν
   therefore
3. Δαυῒδ
   David
4. καλεῖ
   calls
5. αὐτὸν
   him
6. Κύριον
   Lord
7.  
   ,
    
8. πῶς
   how
9. υἱὸς
   son
10. αὐτοῦ
    his
11. ἐστι
    is
12.  
    ;
     

If therefore David calls him Lord, how is he his son?