Roberts and Donaldson noted that Polycrates "belonged to a family in which he was the eighth Christian bishop; and he presided over the church of Ephesus, in which the traditions of St. John were yet fresh in men's minds at the date of his birth.
Roberts dan Donaldson mencatat bahwa Polikrates "berasal dari sebuah keluarga di mana dia adalah uskup Kristen kedelapan; dan dia memimpin jemaat Efesus, di mana tradisi St. John masih segar dalam pikiran orang-orang pada waktu kelahirannya.