Prince Henry of Prussia (1862–1929) became the club's patron. Henry was interested in motor cars as well and supposedly invented a windshield wiper and, according to other sources, the car horn. In his honor, the "Prinz-Heinrich-Fahrt" (Prince Heinrich Tour) was established in 1908, like the earlier Kaiserpreis a precursor to the German Grand Prix. Henry and his brother William gave patronage to the Kaiserlicher Automobilclub (Imperial Automobile Club). Henry also was an early proponent of introducing submarines and airplanes. He had merchant ships converted into seaplane tenders for operations in the Baltic Sea. Henry respected his brother, but this attitude was not returned in the
Prince Friedrich Karl of Prussia (1828–1885) Alexander II of Russia. He died at Jagdschloss Glienicke. On 29 November 1854 at Dessau he married Princess Maria Anna of Anhalt-Dessau (1837–1906), daughter of Leopold IV, Duke of Anhalt. They had five children: Prince Friedrich Karl of Prussia (1828–1885) Prince Friedrich Karl Nicolaus of Prussia (20 March 1828 – 15 June 1885) was the son of Prince Charles of Prussia (1801–1883) and his wife, Princess Marie of Saxe-Weimar-Eisenach (1808–1877). Prince Frederick Charles was a grandson of King Frederick William III of Prussia and a nephew of Frederick William IV and William I. He was born at Schloss Klein in