text: They had no children, and Frederick bestowed the title of the heir to the throne, "Prince of Prussia", on his brother Augustus William.Nevertheless, Elisabeth Christine remained devoted to him. Frederick gave her all the honours befitting her station, but never displayed any affection. After their separation, he would only see her on state occasions. These included visits to her on her birthday, among the rare occasions when Frederick did not wear military uniform. In 1732, Frederick was restored to the Prussian Army as Colonel of the Regiment von der Goltz, stationed near Nauen and Neuruppin. When Prussia provided a contingent of troops to aid the Army of the Holy Roman Empire during the War of the Polish Succession, Frederick studied under Prince Eugene of Savoy during the campaign against France on the Rhine; he noted the weakness of the Imperial Army under Eugene's command, something that he would capitalise on at Austria's expense when he took the throne. Frederick William, weakened by gout and seeking to reconcile, granted Frederick Schloss Rheinsberg in Rheinsberg, north of Neuruppin. At Rheinsberg, Frederick assembled musicians, actors and other artists. 