| Guy ORSINI (Constable of Achaea) (____ - ____) |
| John I ORSINI (Count Palatine) (____ - 1317) |
| John II ORSINI (Count Palatine) (____ - 1335) |
| Manuel ORSINI (____ - ____) |
| Margaret ORSINI (____ - 1339) |
| Matteo Rosso ORSINI (____ - ____) |
| Metteuccia ORSINI (____ - ____) |
| Napoleone ORSINI (____ - ____) |
| Nicholas ORSINI (____ - 1323) |
| Nikephoros II ORSINI (____ - 1359) |
| Orso ORSINI (____ - ____) |
| Orso ORSINI (____ - ____) |
| Orso ORSINI (____ - ____) |
| Orso ORSINI (ABT 1127 - AFT 1207) |
| Paolo Giordano ORSINI (1st Duke of Bracciano) (1541 - 13 NOV 1585) |
| Pietro ORSINI (ABT 1075 - AFT 27 MAY 1159) |
| Richard ORSINI (Count Palatine) (____ - 1303/04) |
| Richard I ORSINI (Count palatine of Cephalonia and Zakynthos) (____ - BET 1303 AND 1304) |
| Roberto ORSINI (Count of Tagliacozzo and Alba) (____ - 29 JUN 1479) |
| Sueva ORSINI (____ - ____) |
| Thomais ORSINI (ABT 1330 - ____) |
| Anna Maria of ORTENBURG (Countess) (1547 - 16 DEC 1601) |
| Ilka of ORTENBURG (29 JUN 1942 - ____) |
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