Ludovico Sforza
Lucrezia Crivelli (27 July 1452 – 1508) was a mistress of Ludovico Sforza "il Moro", Duke of Milan. She was the mother of Sforza's son, Giovanni Paolo I Sforza, Marquess of Caravaggio. Crivelli has been thought to be the subject of Leonardo da Vinci's painting, "La belle ferronnière".