Question: Do both films Retreat On The Rhine and Marionettes Of The Princess have the directors that share the same nationality?

<P0-S0> Marionettes of the Princess is a 1924 German silent drama film directed by Frederic Zelnik and starring Gertrude Welcker, Rudolf Forster and Erich Kaiser- Titz. <SEP> <P1-S0> Jaap Speyer( 1891–1952) was a Dutch film director. <P1-S1> He was married to the German actress Mia Pankau. <SEP> <P2-S0> Retreat on the Rhine is a 1930 German musical comedy film directed by Jaap Speyer and starring Charlotte Susa, Hans Stüwe and Hermann Böttcher. <P2-S1> It was made as an operetta film which emerged as a popular genre following the arrival of sound film. <P2-S2> The film's sets were designed by Walter Reimann. <SEP> <P3-S0> Frederic Zelnik( 17 May 1885 – 29 November 1950) was one of the most important producers- directors of the German silent cinema. <P3-S1> Zelnik became a successful director and also producer of period operetta films in 1920s and 1930s. <P3-S2> He also appeared on screen as an actor. <SEP> <P4-S0> The unsuccessful 1795 campaign concluded with the removal of General Jean- Charles Pichegru from command. <P4-S1> After crushing the" Reichsarmee" s elements at Kehl, the Army advanced into southwestern Germany. <P4-S2> Its success depended on the cooperation with France's Army of the Sambre and Meuse, commanded by Jean- Baptiste Jourdan. <P4-S3> In 1796, the jealousies between Jourdan and Moreau, and among the subcommanders, complicated the efficient operations of both armies. <P4-S4> Once Jourdan withdrew to the west bank of the Rhine, Charles could focus his attention on Moreau. <P4-S5> The Army of the Rhine and Moselle campaigns provided experience for a" cadre" of young officers. <P4-S6> The Army of the Rhine and Moselle was one of the field units of the French Revolutionary Army. <P4-S7> After an abbreviated German campaign in 1797, the French and Austrians agreed to the Treaty of Campo Formio and, on 29 September 1797, the Army of the Rhine and Moselle merged with the Army of the Sambre and Meuse to form the Army of Germany. <P4-S8> In 1796, under the command of General Jean Victor Marie Moreau, the Army was more successful. <P4-S9> It was formed on 20 April 1795 by the merger of elements of the Army of the Rhine and the Army of the Moselle. <P4-S10> The Army of the Rhine and Moselle participated in two principal campaigns in the War of the First Coalition. <P4-S11> Military planners in Paris formed armies based on specific strategic tasks, and the task of this Army was to secure the French frontier at the Rhine and to penetrate the German states, potentially threatening Vienna. <P4-S12> In his five- volume analysis of the Revolutionary Armies, Ramsey Weston Phipps called the Army of the Rhine and Moselle a" school for marshals", to emphasize the importance of experience under these conditions in training the future leadership of Napoleon's army. <P4-S13> By October they were fighting on the western slope of the Black Forest, and by December Charles had the French forces under siege at the principal river crossings of Kehl and Hüningen. <P4-S14> These battles destroyed any chance that Jourdan's force and Moreau's Army of the Rhine and Moselle could merge. <SEP> <P5-S0> Margaret of Sicily or Margherita di Sicilia- Aragona( 1331 in Palermo – 1377 in Neustadt) was a Sicilian princess, daughter of the King Frederick III of Sicily and his wife Eleanor of Anjou. <P5-S1> In 1348 she married Rudolf II, Count Palatine of the Rhine, and was Countess Palatine of the Rhine until 1353, year of the husband's death.