According to tradition of the historic church St. Mary-le-Bow, the city dweller must be born within earshot of what?
St Mary-le-Bow:  According to tradition a true Cockney must be born within earshot of the sound of Bow Bells (which refers to this church's bells rather than St Mary and Holy Trinity, Bow Road, in Bow, an outlying village until the 19th century).
i don't know