Maria Pia [Edit] By Sticky Facts Editorial StaffMaria Pia biography, ethnicity, religion, interesting facts, favorites, family, updates, childhood facts, information and more:Maria Pia date of birth:September 23, 1939How old is Maria Pia?85 Tags: birth day 23birth month septemberbirth year 1939 Suggested Posts Emma Watson Facts Selena Gomez Facts Mark Wahlberg Facts Margot Robbie Facts Adam Driver Facts Marilyn Monroe Facts Leonardo DiCaprio Facts Dwayne Johnson Facts