Gregorio II Boncompagni (7 July 1642 – 1 January 1707) was an Italian nobleman and the 5th Duke of Sora. He was the great-grandson of

Pope Gregory XIII Pope Gregory XIII (, , born Ugo Boncompagni; 7 January 1502 – 10 April 1585) 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 ...

Biography

He was the eldest son of Ugo, 4th Duke of Sora and Duchess Maria Ruffo di Bagnara. He married Giustina Gallio (29 October 1644 – 21 July 1679) and then, when she died, he married

Ippolita Ludovisi Ippolita I Ludovisi (Cagliari, 24 December 1663 – Rome, 29 December 1733) was the Princess of Piombino, Marchioness of Populonia, Princess of Venosa and Countess of Conza, Lady di Scarlino, Populonia, Vignale, Abbadia del Fango, Suvereto, Buria ...

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.The Vatican Archives:
Archivio Boncompagni-Ludovisi Gregorio and Ippolita had six children: * Hugo (1684–1686) died young * Maria Eleonora (1686–1745), Princess of Piombino, married her uncle and Gregorio's brother Antonio I 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

References

1642 births 1707 deaths 17th-century Italian nobility People from the Province of Frosinone Duchy of Sora {{Italy-noble-stub