sentences:  This event is commemorated by a statue of François Grimaldi in the precincts of the palace ("Illustration 6") and in the arms of the House of Grimaldi where François is depicted wielding a sword while in the garb of a monk ("Illustration 2").Charles I, who ruled from 1331 to 1357, and was the son of François Grimaldi's cousin Rainier I, significantly enlarged the fortress by adding two large buildings