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About: John III of Naples     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatDukesOfNaples, within Data Space : dbpedia.org associated with source document(s)

Type: personyago:Aristocrat109807754yago:CausalAgent100007347yago:Duke110038620yago:Leader109623038yago:LivingThing100004258yago:MaleAristocrat110285135yago:Noble110271677yago:Object100002684yago:Organism100004475yago:Peer110412910yago:Person100007846yago:PhysicalEntity100001930yago:YagoLegalActoryago:YagoLegalActorGeoyago:Whole100003553yago:WikicatDukesOfNaples New Facet based on Instances of this Class

John III (died late 968/early 969) was the longest-reigning Duke of Naples (928–968). He was the son and successor of Marinus I. At the beginning of his reign, he warred against the Saracens and then made a treaty with them after they appeared beneath his walls in 929. He then allied with Lombards Atenulf III of Benevento, with whom he signed a pact, and Landulf I, joint-prince of Benevento, against the Byzantines. A Greek force was sent to Apulia and the rebellious vassals were constrained to recognise the authority of the emperor in Constantinople. John then confirmed a treaty with the princes salve fidelitate sanctorum imperatorum.