Wilhelm
Wilhelm is the German form of a pan-Germanic male given name and means "the strong-willed protector" (from Old High German willio + helm). The short form is Willi and Willy but also Wim, Welm and Wilko. The name is used in various forms worldwide, e.g. William (England) and Willem (Netherlands). The feminine form is “Wilhelmine”, in Anglo-Saxon also Wilhelmina, also Wilhelma, Wellemina. Short forms are Mine, Mina, Minne, Minna, Minette, Helma and Wilma. Heinrich, Karl (Karlmann), Otto, Friedrich and Wilhelm are the most common names of German rulers since the early Middle Ages. Wilhelm can also be a surname.