Giangiordano Orsini 
Giangiordano was born about 1475. Giangiordano's father was Gentile Virginio Orsini and his mother is Trifalda Orsini. His paternal grandfather was Napoleone Orsini and his paternal grandmother is Francesca Orsini; his maternal grandfather was Roberto Orsini and his maternal grandmother is Violante Sanseverino. He is an only child.General Notes
SOURCES: "Ancestors/Descendants of Royal Lines" (Contributors: Reynaud de Paysac, H.R. Moser <Burke Peerage>), O.Guionneau, E. Polti, A.Terlinden <Genealogy of the existing British Peerage, 1842, and E. Lodge>)
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Ancestor Pedigree Chart
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*There are earlier generations for the ancestor(s) indicated. See their page(s) for details (click name)
- b.~ 1300
- b.~ 1340
- b.~ 1310
- b.~ 1388
- b.~ 1355
- b.~ 1420 d.03 Sep 1480 in Rome, Italy
- b.~ 1320 d.~ 1390
- b.~ 1360 d.> 1431
- b.~ 1388
- b.~ 1365
- b.~ 1445 d.1497
- b.~ 1310 d.~ 1367
- b.~ 1350
- b.~ 1333
- b.~ 1375 d.24 Jul 1424 in Zagonara
- b.~ 1350
- b.~ 1423
- b.~ 1390
- b.~ 1475
- b.~ 1300
- b.~ 1340
- b.~ 1310
- b.~ 1388
- b.~ 1355
- b.~ 1425 d.29 Jun 1476
- b.~ 1320 d.~ 1390
- b.~ 1360 d.> 1431
- b.~ 1388
- b.~ 1365
- b.~ 1450
- b.~ 1425
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