SERGIUS (-[878]). The Gesta Episcoporum Neapolitanorum records that "Gregorius dux" shared power with "consulem Sergium filium suum", with the advice of "suis germanis"[1855]. He succeeded as prefect of Amalfi in 866 on the assassination of prefect Mauro, but only remained as prefect for 13 days[1856]. He succeeded his father in 870 as SERGIUS II Duke of Naples. The Gesta Episcoporum Neapolitanorum records that "Sergius consul" arrested "omnes germanos patris sui" after his father died[1857]. The Chronicon Ducum…Neapolis records that "Sergius" succeeded Duke Gregorius (without specifying the relationship between the two) "tertio an 3 ind" and ruled 7 years and 6 months[1858]. He made an alliance with the Aghlabids of Sicily after his succession, which was opposed by his uncles Cesarius and Athanasius[1859]. Erchempert records that "Sergius" was captured by "proprio germano", blinded, and exiled to Rome, dated to 878[1860]. m ---. The name of Duke Sergius's wife is not known. Duke Sergius & his wife had [two] children