The first was renamed Little Willie after his father Emperor Wilhelm II of Germany .
Little Willie is the scabrous name then commonly used by the British yellow press to mock the German Imperial Crown Prince Wilhelm ; Mother was for a time known as Big Willie .
The first was renamed Little Willie , the scabrous name then commonly used by the British yellow press to mock the German Imperial Crown Prince Wilhelm ; Mother was for a time known as Big Willie , after his father Emperor Wilhelm II of Germany .