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 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 on 19 October 1681.
[1] The Boncompagni-Ludovisi union lasted until the French Revolution and included the development of the Archivio Boncompagni-Ludovisi held by The Vatican.
This biography of an Italian noble is a stub.