Flags of the lieutenant governors of Canada
As the viceregal representative of the monarch of Canada, the lieutenant governors of the Canadian provinces have since Confederation been entitled to and have used a personal standard. Within a lieutenant governor's province, this standard has precedence over any other flag, including the national one, though it comes secondary to the Sovereign's Flag for Canada.
Source: Wikipedia — Flags of the lieutenant governors of Canada (CC BY-SA 4.0)