Who was the king and queen of Venice in 1254?

In 1254, Venice did not have a king and queen in the traditional sense, as it was a republic governed by elected officials. The Doge, or leader, was the highest authority, and during that time, the Doge was Jacopo Tiepolo. Venice was ruled by a council, and the political structure was characterized by a system of checks and balances rather than a monarchy.