Luk 1:59. Ἐπὶ τῷ ὀνόματι τοῦ πατρὸς αὐτοῦ, after the name of his father) This was not the custom among the Jews: but in this case an extraordinary cause moved the members of the family, inasmuch as John was to sustain the whole posterity of [was the sole representative to posterity of] Zacharias.