Gregory III (unknown) 
Sergius II Athanasius II
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| Gregory III (unknown) |
| Sergius II Athanasius II
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Gregory III, duke of Napoli
abt 0830, Napoli, Campania Italy - March 0870
(unknown) of Syria
?? - ??
Married: ?? - ??
Sergius II di Napoli, duke of Napoli
abt 0845 - abt 0878, Rome, Lazio Italy
Athanasius II di Napoli, bishop & duke of Napoli
abt 0860, Napoli, Campania Italy - 0898, Napoli, Campania Italy