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The Visconti

The Sforza and the Aragonese

Muzio Attendolo Sforza

Francesco Sforza

Bianca Maria Visconti

Lodovico Maria il Moro Sforza

Galeazzo Maria Sforza

Ippolita Maria Sforza

Caterina Sforza

Gian Galeazzo II. Maria Sforza

Isabella of Aragon

Ferrante of Naples

Alfonso II. of Naples

Ferrandino of Naples

Giangaleazzo (or Gian Galeazzo) Visconti, first Duke of Milan


Born on:

15. October 1351


Deceased on:

3. September 1402


Father:

Galeazzo II. Visconti (1324/27-1378), younger brother of the infamous and cruel Bernaḅ Visconti († 1385)


Mother:

Bianca of Savoy (1335/36- 1387); marriage on 10. September 1350


Siblings:
  • his sister Violanta († 1396) who was at first married to Lionel (1338-1367/68), Duke of Clarence, the second son of King Edward III. († 1377) of England, on 15 June 1367 or 28 May 1368; her second husband was the Margrave Secondotto of Montferrat, they married in 1377; he was assassinated by one of his grooms of the stable in 1378; her third husband was her cousin Lodovico († 1404), the second son of Bernaḅ Visconti, in 1381
  • his sister Maria (1358-1362)
  • a brother, whe died shortly after death and whose name we do not know

Spouses:
  1. Isabella of Valois (1348-1373), sister of the French King Charles V. († 1380); marriage on 8. October 1360 (information about the French Valois only available in German)
  2. his cousin Caterina Visconti († 1404), third (according to other sources fifth) daughter of Bernaḅ Visconti; marriage on 15. November 1380

Legitimate Children:

from his first marriage to Isabella of Valois:

  1. a daughter (Bianca ?), born in 1366, deceased before 1374
  2. his son Azzone, born in 1368, deceased in 1381
  3. a daughter (Bona ?), born in 1369, deceased before 1374
  4. his daughter Valentina, born in 1371, deceased in 1408; on 17. August 1388 whe became married to Louis (1371-1407), Duke of Orléans and brother of the French King Charles VI. († 1422), – their grandson was the French King Louis XII. (1462-1515) (information about the French Valois only available in German)
  5. his son Gian Galeazzo, born c. 1372(?), deceased before 1374
  6. his son Carlo, born on 11. September 1373, deceased in 1374
  7. from his second marriage to Caterina Visconti:

  8. his son Giovanni Maria the Cruel, born on 9. September 1488, Duke of Milan 1402-1412, since 1408 married to Antonia Malatesta; he was fatally stabbed on 16. May 1412 – his cruelty and his bloodthirstyness exceeded everything the House of Visconti had experienced so far
  9. his son Filippo Maria, born on 23. September 1392, deceased on 13. August 1447, his first spouse was the widow of the Condottiere Facino Cane, Beatrice da Tenda (1372-1418), whom he had married in 1412 and whom he had executed because of alleged infidelity on 13. September 1418; his second spouse was Maria of Savoy (1411-1469) – they married on 6. October 1428 – but their marriage was never consummated; the only love in his life was Agnese del Maino (clandestine marriage?), who gave birth to his daughters, Bianca Maria (1425-1468) and Caterina Maria or Lucia Maria (born and deceased in 1426)
  10. - 11. three further children, a son and two daughters, who presumably died shortly after birth

Illegitimate Children:
  • his favourite son Gabriele Maria (1385-1407), whose mother was his mistress Agnese Mantegazza
  • his son Antonio (1391-?), whose mother was from a peasant family

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