John I (died 1007) was the duke of Amalfi (1004–1007) and prince of Salerno (981–983). He was the son of Manso I. His father associated him in the principality of Salerno, but their rule was unpopular and they were overthrown by John II. John inherited Amalfi on his father's death and ruled a short three years.
References
- Caravale, Mario (ed). Dizionario Biografico degli Italiani: LV Ginammi – Giovanni da Crema. Rome, 2000.
| Preceded byPandulf II | Prince of Salerno 981–982 |
Succeeded byJohn II |
| Preceded byManso I | Duke of Amalfi 1004–1007 |
Succeeded bySergius II |
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