WEBCatherine de' Medici (Italian: Caterina de' Medici, pronounced [kateˈriːna de ˈmɛːditʃi]; French: Catherine de Médicis, pronounced [katʁin də medisis]; 13 April 1519 – 5 January 1589) was an Italian noblewoman born into the Medici family.She was Queen of France from 1547 to 1559 by marriage to King Henry II and the mother of French kings Francis …