Giovanni Giustiniani Longo References Giovanni Giustiniani Longo Genoese captain Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Fall of Constantinople/ Context…arrived in January 1453 with Giovanni Giustiniani Longo at their head. Emperor Constantine XI named Giustiniani commander of his land defenses and spent the rest of the winter strengthening the city for a siege. Read More…arrived in January 1453 with Giovanni Giustiniani Longo at their head. Emperor Constantine XI named Giustiniani commander of his land defenses and spent the rest of the winter strengthening the city for a siege. Read More