About Costantino Mario Ruspoli, 4th Prince of Poggio Suasa
Constantino Mario dei Principi Ruspoli (born 29 June 1971), son of Marcantonio Mario Dimitri Ruspoli, 3rd Prince of Poggio Suasa, and his second wife Gleide Portela Chagas (1935–2002), is the 4th Principe di Poggio Suasa and Prince of the Holy Roman Empire.