Gerolama Orsini sometimes Girolama Orsini was the Duchess of Parma as the wife of Pier Luigi Farnese, Duke of Parma. She served as Regent of the Duchy of Castro in the name of her son Orazio, Duke of Castro between 1550 and 1553. Wikipedia
Born: 1504, Rome, Italy
Died: July 1569 (age 65 years), Viterbo, Italy
Parents: Lodovico Orsini
Great grandchildren: Ranuccio I Farnese, Odoardo Farnese, Margherita Farnese, and more
Grandchildren: Alexander Farnese, Duke of Parma, Clelia Farnese, Francesco Maria II della Rovere, and more
Spouse: Pier Luigi Farnese (m. 1519–1547)