31. After Theonas had held the office for nineteen years, Peter received the episcopate in Alexandria, and was very eminent among them for twelve entire years. Of these he governed the church less than three years before the persecution, and for the remainder of his life he subjected himself to a more rigid discipline and cared in no secret manner for the general interest of the churches. On this account he was beheaded in the ninth year of the persecution, and was adorned with the crown of martyrdom.