Question: What is the date of death of Mario Ruspoli, 2Nd Prince Of Poggio Suasa's father?
Sentence (from "Alexander, Prince of Erbach-Schönberg"): Alexander, Prince of Erbach- Schönberg( 12 September 1872 – 18 October 1944) was the 2nd Prince of Erbach- Schönberg, eldest son of Gustav, 1st Prince of Erbach- Schönberg.
Relevant evidence: No