Question: What is the date of death of Mario Ruspoli, 2Nd Prince Of Poggio Suasa's father?
Sentence (from "Emanuele Ruspoli, 1st Prince of Poggio Suasa"): Emanuele Francesco Maria dei Principi Ruspoli, 1 Prince of Poggio Suasa (December 30, 1837 – November 29, 1899)
Relevant evidence: Yes