{geni:about_me} * [http://en.wikipedia.org/wiki/Gregorio_II_Boncompagni Wikipedia - English - '''Gregorio Boncompagni''']
* Gregorio II Boncompagni (7 July 1642 – 1 January 1707) was an Italian nobleman and the 5th Duke of Sora. He was the grand-nephew of [http://en.wikipedia.org/wiki/Pope_Gregory_XIII '''Pope Gregory XIII''']
* He married -
# Giustina Gallio (29 October 1644 – 21 July 1679) and then, when she died, he married
# Ippolita Ludovisi on 19 October 1681. The Boncompagni-Ludovisi union lasted until the French Revolution and included the development of the Archivio Boncompagni-Ludovisi held by The Vatican.

* Gregorio and Ippolita had six children:
# Hugo (1684–1686) died young
# Maria Eleonora (1686–1745), Princess of Piombino, married Antonio Boncompagni
# Constance (1687–1768), married Vincenzo Giustiniani, Prince of Bassano
# Maria Teresa (1692–1744), married Urbano Barberini, Prince of Palestrina
# Giulia (1695–1751), married Marco Ottoboni, Duke of Fiano
# Anna Maria (1696–1752), married Gian Vincenzo Salviati, Duke of Giuliano