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?86 Tags: birth day 23birth month septemberbirth year 1939 Suggested Posts Cristiano Ronaldo Facts Madonna Facts Mila Kunis Facts Kylie Jenner Facts Florence Henderson Facts Stephen Hawking Facts Arnold Schwarzenegger Facts Mark Wahlberg Facts