Question: Who is the paternal grandfather of Francesco Ruspoli, 10Th Prince Of Cerveteri?
Answer: Francesco Ruspoli, 8th Prince of Cerveteri

His mother and father's first wife Claudia dei Conti Matarazzo, who died when he was 9, was heiress to one of the largest fortunes in Brazil. His father Francesco Ruspoli, 8th Prince of Cerveteri, later a poet, fought in both world wars. Dado became known for his extravagant lifestyle in the 1950s and 60s