[PAR] [TLE] Cosimo I de' Medici, Grand Duke of Tuscany [SEP] Cosimo I de' Medici (12 June 1519 – 21 April 1574) was the second Duke of Florence from 1537 until 1569, when he became the first Grand Duke of Tuscany. [PAR] [TLE] Giovanni di Bicci de' Medici [SEP] 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.
[PAR] [TLE] Cosimo I de ' Medici , Grand Duke of Tuscany [ SEP ] Cosimo I de ' Medici ( 12 June 1519 – 21 April 1574 ) was the second Duke of Florence from 1537 until 1569 , when he became the first Grand Duke of Tuscany . [PAR] [TLE] Giovanni di Bicci de ' Medici [ SEP ] 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 .
What bank was founded by the great-great-great grandfather of the second Duke of Florence?
What bank was founded by the great - great - great grandfather of the second Duke of Florence ?
the Medici Bank
the Medici Bank