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 Welf Henry of Hanover the complete expanded family tree, see List of members of the House of Hanover. Prince Welf Henry of Hanover Prince Welf Henry of Hanover ("Welf Heinrich Ernst August Georg Christian Berthold Friedrich Wilhelm Louis Ferdinand Prinz von Hannover"; 11 March 1923 – 12 July 1997) was the fourth son of Ernest Augustus, Duke of Brunswick and his wife Princess Victoria Louise of Prussia, the only daughter of Wilhelm II, German Emperor and Augusta Viktoria of Schleswig-Holstein. The prince was known to his family as "Welfi." Welf Henry married Princess "Alexandra" Sophie of Ysenburg and Büdingen (born 23 October 1937 in