Pope John VII,  Inscription in a chapel to Our Lady in St. Peter’s, where there is a statue of Our Lady styled in a Byzantine Empress’s garb: “John, an unworthy bishop, the servant of the Blessed Mother of God, carried out this work.” (Source: Horace Kinder Mann, in his work “The Lives of the Popes of the Early Middle Ages”, Part I, pub. 1903, pg. 114, who also says on pg. 110 “This Pope was remarkable for his devotion to the Mother of God. The title he was most proud of was ‘Mary’s servant.’”)