Gregorio II 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 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:

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