ᾖν γὰρ γαμβρὸς τοῦ ἀρχιερέως.

1. ᾖν
   was
2. γὰρ
   for
3. γαμβρὸς
   father in law
   son in law
4. τοῦ
   of the
   the
5. ἀρχιερέως
   high priest
6.  
   .
    

For he was son-in-law of the high priest.