He was a descendant of the Orsini family, one of the oldest, most illustrious, and for centuries most powerful of the Roman princely families, whose origins, when stripped of legend, can be traced back to a certain Ursus de Paro, recorded at Rome in 998.
He was a member of the Orsini clan, a family of great distinction, whose lineage, when stripped of folklore, dates back to a specific Ursus de Paro, recorded in Rome in 998.