She was invested as a Dame of Justice of Order of St. John of Jerusalem ( DJStJ ) .
She was served as a Lady and Extra Lady of the Bedchamber to Queen Mary , wife of King George V of the United Kingdom , between 1906 and 1953 .
She was invested as a Dame of Justice of Order of St. John of Jerusalem ( DJStJ ) and served as a Lady and Extra Lady of the Bedchamber to Queen Mary , wife of King George V of the United Kingdom , between 1906 and 1953 .