In 1852, he went to Spain to paint Queen Isabella II with her daughter. Russian aristocratic visitors to Paris also liked to have their portraits executed by the famous master. As the "Painter of Princes", Winterhalter was thereafter in constant demand by the courts of Britain (from 1841), Spain, Belgium, Russia, Mexico, the German states, and France. During the 1850s and 1860s, Winterhalter painted a number of important portraits of Polish and Russian aristocrats. In 1857, he painted the portrait of Tsarina Maria Alexandrovna.