What country was the queen for whom Robert Keate served as Serjeant-Surgeon also Empress of?
Robert Keate: Robert Keate FRCS (14 March 1777 – 2 October 1857) was a noted British surgeon, and Serjeant-Surgeon to King William IV and Queen Victoria. Queen Victoria:  From 1 May 1876, she adopted the additional title of Empress of India.
India