Career
He fought at sea against the Ottoman Sultan Mehmed II and on land against Ercole I d"Este, duke of Ferrara, from whom he recaptured Rovigo and the Polesine. He was interred in the Basilica di Santi Giovanni e Paolo, a traditional burial place of the doges. His dogaressa was Taddea Michiel (d1479), who was to be the last dogaressa to be crowned in Venice until Zilia Dandolo in 1557, almost a century later.
In the videogame Assassin"s Creed II, Giovanni Mocenigo is poisoned by the fictional consigliere and Council of Ten member Carlo Grimaldi, this leading to Marco Barbarigo being installed as doge.
However, this was based on real life speculations that Giovanni Mocenigo was poisoned.