Bianca of Savoy was Lady of Milan by marriage to Galeazzo II Visconti. Wikipedia
Born: 1336, Chambéry, France
Died: December 31, 1387 (age 51 years), Pavia, Italy
Parents: Aymon, Count of Savoy and Yolande Palaeologina of Montferrat
Spouse: Galeazzo II Visconti (m. 1350–1378)
Grandparents: Amadeus V, Count of Savoy, Theodore I, Marquis of Montferrat, Sybille of Bâgé, and more
Great-grandparents: Thomas, Count of Flanders, Andronikos II Palaiologos, Irene of Montferrat, and more
Great grandchildren: Bianca Maria Visconti, Charles, Duke of Orléans, John, Count of Angoulême, and more