Pope Gregory XIII, born Ugo Boncompagni, was head of the Catholic Church and ruler of the Papal States from 13 May 1572 to his death in April 1585. He is best known for commissioning and being the namesake for the Gregorian calendar, which remains... Wikipedia
Born: January 7, 1502, Bologna, Italy
Died: April 10, 1585 (age 83 years), Rome, Italy
Place of burial: St. Peter's Basilica, Vatican City
Children: Giacomo Boncompagni
Grandchildren: Francesco Boncompagni, Gregorio Boncompagni, II duca di Sora, and Giulia Boncompagni
Grandparents: Gentile Montini, Lodovico Marescalchi, Camilla Piattesi, and more
Great grandchildren: Giacomo II Boncompagni, III duca di Sora, Ugo Boncompagni, IV duca di Sora, Anna de Guevara, and more