The viceregal consort of Canada is the spouse of the serving governor general of Canada, assisting the viceroy with ceremonial and charitable work, accompanying him or her to official state occasions, and occasionally undertaking philanthropic work of their own. As the hostess of the royal and viceroyal residence in Ottawa, the consort, if female, is also known as the Chatelaine of Rideau Hall. This individual, who ranks third in the Canadian order of precedence, after the Canadian monarch and the governor general, is addressed as His or Her Excellency while their spouse is in office, and is made ex officio an Extraordinary Companion of the Order of Canada and a Knight or Dame of Justice of the Most Venerable Order of the Hospital of Saint John of Jerusalem.