What bank was founded by the great-great-great grandfather of the second Duke of Florence?
Giovanni di Bicci de' Medici Giovanni di Bicci de' Medici (c. 1360 – February 20/28, 1429) was an Italian banker, a member of Medici family of Florence, and the founder of the Medici Bank. While other family members, such as Chiarissimo di Giambuono de' Medici, who served in the Signoria in 1201, and Salvestro de' Medici, who was implicated in the Ciompi Revolt of 1378, are historically significant, Giovanni's founding of the family bank truly began the family's rise to power in Florence. He was the father of Cosimo de' Medici ("Pater Patriae"), grandfather of Piero di Cosimo de' Medici, great-grandfather of Lorenzo de' Medici (the Magnificent) and great-great-great-grandfather of Cosimo I de' Medici, Grand Duke of Tuscany.
Vittoria della Rovere Vittoria della Rovere (7 February 1622 – 5 March 1694) was Grand Duchess of Tuscany as the wife of Grand Duke Ferdinando II. She gave her husband four children, two of whom would survive infancy: the future Cosimo III, Tuscany's longest-reigning monarch, and Francesco Maria, a prince of the Church. At the death of her grandfather Francesco Maria della Rovere, she inherited the Duchies of Rovere and Montefeltro, which reverted to her second son, Francesco Maria, at her death. She was later entrusted with the care of her three grandchildren. Her marriage brought a wealth of treasures to the House of Medici, which can today be seen in the Palazzo Pitti and the Uffizi Gallery in Florence.