Francesco Fosari - In 1423, Francesco Fosari became doge of Venice. He ruled with excessive grandeur and exercised far greater power than had past doges, aggressively pursuing a policy of western expansion. To torment and control the doge, the Venetian Council of Ten falsely accused his son, Jacopo, of treason, and began a long process during which Jacopo was exiled, readmitted, tortured, and exiled again. Finally, when the Council of Ten forced Fosari to resign, affirming its power over the monarch.