Complex sentence: Unlike the Governor General or a Lieutenant-Governor, who are representatives of the Queen of Canada, Commissioners are not vice-regal representatives, although they too perform duties akin to such including reading the Speech from the Throne at the opening of the territorial Legislature.
Split into simpler sentences: Unlike the Governor General or a Lieutenant-Governor, who are representatives of the Queen of Canada, Commissioners are not vice-regal representatives. Although commissioners are not vice-regal representatives, they perform duties akin to such including reading the Speech from the Throne at the opening of the territorial Legislature.