Comes palatii from Spoleto. The Catalogus Principum Salerni records that "Ioanne altero, filio Ioannis Lamberti comitis" deposed Manso III Duke of Amalfi as Prince of Salerno in 983 and succeeded as IOANNES II "Maledictus" Prince of Salerno and ruled for 11 years. The dating clause of a charter dated Jan 984, which records a donation by "Cicenus et Mari germani filii Adelghisi" and others, refers to the first year of "principatus domni nostri Iohanni et domni Guidoni eius filio…principibus". The dating clause of a charter dated Apr 989, which records a donation by "Lando…episcopus sanct sedis Pestane", refers to the sixth year of "principatus domni nostri Iohanni…principis" and the first year of "principatus domni Guaimarii principis filio eius". 1
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