Question: Who is Marcantonio Mario Dimitri Ruspoli, 3Rd Prince Of Poggio Suasa's paternal grandfather?
Sentence (from "Marcantonio Mario Dimitri Ruspoli, 3rd Prince of Poggio Suasa"): was the 3rd Principe di Poggio Suasa and Prince of the Holy Roman Empire, son of Costantino Ruspoli
Relevant evidence: No