Wie trouwde met Pier Luigi Farnese?

Pier Luigi (of Pierluigi) Farnese (Rome, 19 november 1503 – Piacenza, 10 september 1547) was de eerste hertog van Castro (1538-1545) en Parma en Piacenza (1545-1547). Hij was een zoon van kardinaal Alessandro Farnese, de latere paus Paulus III, bij zijn maîtresse Silvia Ruffini.

Gerolama Orsini (1504–1569) sometimes Girolama Orsini was the Duchess of Parma as the wife of Pier Luigi Farnese, Duke of Parma. She served as Regent (Governor) of the Duchy of Castro in the name of her son Orazio, Duke of Castro between 1550 and 1553.