Title: Carlo de' Medici (cardinal)
Content:  Carlo de' Medici (19 March 1595 &ndash; 17 June 1666) was the son of Ferdinando I de' Medici, Grand Duke of Tuscany and Christina of Lorraine.
Title: Giancarlo de' Medici
Content:  Giancarlo de' Medici (24 July 1611 – 22 January 1663) was an Italian cardinal of the House of Medici. He was the second son of Grand Duke Cosimo II of Tuscany and his wife, Maria Maddalena of Austria, and the brother of Ferdinando II de' Medici, Grand Duke of Tuscany.
Title: Carlo de' Medici
Content:  Born in Florence, he was the illegitimate son of Cosimo de' Medici (the Elder) and a slave-woman named Maddalena, who was said to have been purchased in Venice. It is widely accepted that Maddalena was a Circassian,        as hinted by Carlo's "intense blue eyes" and other "marked Circassian features" as well. However, it has been once suggested that his mother might have been a black African, only because of the apparently dusky features depicted in Mantegna's portrait of Carlo.
Title: Carlo de' Medici
Content:  Carlo di Cosimo de' Medici (1428 or  1430 &ndash; May 29, 1492) was an Italian priest. A member of the powerful Medici family, he became a senior clergyman and collector.
Title: Giovanni di Bicci de' Medici
Content:  Giovanni di Bicci de' Medici (c. 1360 &ndash; February 1429) was an Italian banker and founder of the Medici Bank. While other members of the Medici family, such as Chiarissimo di Giambuono de' Medici, who served in the Signoria of Florence in 1201, and Salvestro de' Medici, who was implicated in the Ciompi Revolt of 1378, are of historical interest, it was Giovanni's founding of the family bank that truly initiated the family's rise to power in Florence. He was the father of Cosimo de' Medici and of Lorenzo the Elder; grandfather of Piero di Cosimo de' Medici; great-grandfather of Lorenzo de' Medici (the Magnificent); and the great-great-great-grandfather of Cosimo I de' Medici, Grand Duke of Tuscany.
Title: Ottaviano de' Medici
Content:  Ottaviano de' Medici (11 July 1484 – 28 May 1546) was an Italian politician. He was the ancestor of the Princes of Ottajano line of the Medici family. From a minor branch of the Medici family, he gained prominence through his marriage to Francesca Salviati, a granddaughter of Lorenzo de' Medici and Ottaviano's own distant cousin. He held several important positions in Florence, including that of Gonfaloniere di Giustizia, although now a merely formal one after the suppression of the Republic by the Spanish troops in 1530. He was also Senator from 1532. He was trusted by Alessandro de' Medici with administrating the family's Tuscan estates. His son Alessandro was cardinal and, from 1605, pope as Leo XI. His other son Bernadetto founded the southern Italian line of the family by acquiring the seigniory of Ottaviano, near Naples.
Title: Carlo de' Medici
Content:  His father forced him to take on a religious life. After becoming canon of the cathedral at Florence in 1450, he was appointed rector of Pieve di Santa Maria (Dicomano) in Mugello and the Pieve of San Donato di Calenzano. He became Abbot of San Salvatore at Vaiano, outside Prato. He was also Papal tax collector and nuncio in Tuscany. Carlo was dean of Prato as early as 1460. A cultured man, he collected medallions. He died in Florence in 1492.
Title: Giulio de' Medici (died 1600)
Content:  Giulio de' Medici (c. undefined 1533–1598) was the illegitimate son of Alessandro de' Medici, the Duke of Florence, and probably of Taddea Malaspina. Aged about four at the time of his father's assassination, he was passed over as a choice for the succession in favour of Cosimo I de' Medici, the first of the "junior" branch of the Medici to rule Florence. He was placed under the guardianship of Cosimo I and raised at his court. In 1562 he was appointed the first knight of the Order of Saint Stephen, an order founded to combat pirates and Turks in the Mediterranean Sea. As Admiral 
Title: Francesco de' Medici (1614–1634)
Content:  Francesco de' Medici (16 October 1614 – 25 July 1634) was the fourth son of Grand Duke Cosimo II of Tuscany and his wife, Maria Maddalena of Austria. He died unmarried.
Title: Averardo de' Medici
Content:  Averardo de' Medici (1320 &ndash; 1363), also known as Everard De Medici or Bicci to disambiguate with his two homonymous ancestors, was the son of Salvestro de' Medici (1300, Florence – 1346, Florence; son of Averardo II de' Medici, 1270–1319), "il Chiarissimo" (English meaning "the fairest" for his complexion, or also interpreted as "the clearest") and the father of three children: Giovanni, Francesco, and Antonia. Giovanni di Bicci de' Medici would become the first historically significant member of the Medici family of Florence and the founder of the Medici Bank. He was named after the legendary knight Averardo, from whom the Medici claimed descent. He was a second cousin of Salvestro de' Medici.

Question: Who is the father of Carlo de' Medici?
Answer: Ferdinando I de' Medici.
granduca di Toscana Ferdinando I.
Grand Duke of Tuscany Ferdinand I.
Grand-Duke of Tuscany Ferdinando I.
Ferdinando de, Grand-Duke of Tuscany Medici.