Question: Which son of Bernardo Mattarella was an elected judge on the Constitutional Court?
Sentence (from "Bernardo Mattarella"): He was the father of Piersanti Mattarella and Sergio Mattarella, who both became politicians as well; Sergio is the President of the Italian Republic since 3 February 2015 and Piersanti was President of the Regional Government of Sicily, before being assassinated in 1980 by "Cosa Nostra".
Relevant evidence: Yes