The Foscari reached its peak with Francesco Foscari, who reached what chief magistrate of Venice?
Foscari: The Foscari were an ancient Venetian patrician family, which reached its peak in the 14th–15th centuries, culminating in the dogeship of Francesco Foscari (1423–1457). Doge of Venice: The Doge of Venice ( ; Venetian: "Doxe de Venexia" ] ; Italian: "Doge di Venezia" ] ; all derived from Latin "dūx ", "military leader"), sometimes translated as Duke (compare the Italian "Duca "), was the chief magistrate and leader of the Most Serene Republic of Venice for 1,100 years (697-1797).
Doge of Venice