Olimpia Maidalchini Pamphilj, Princess of San Martino, , was the sister-in-law of Pope Innocent X (Pamphili). She was perceived by her contemporaries as having influence regarding papal appointments.
Contemporary portrait by Diego Velázquez
Her bust by Alessandro Algardi, 1646-1647
Her tomb in Viterbo
Algardi's bust of Maidalchini; terracotta version in the Hermitage Museum
Pope Innocent X, born Giovanni Battista Pamphilj, was head of the Catholic Church and ruler of the Papal States from 15 September 1644 to his death, in January 1655.
Portrait of Innocent X, by Diego Velázquez, 1650
Guido Reni's archangel Michael (Santa Maria della Concezione dei Cappuccini, Rome) tramples a Satan with the vividly recognizable features of Pope Innocent X.
Bronze statue of Innocent X from 1645 to 1649, by Alessandro Algardi.