HILDESHEIM, GERMANY – JANUARY 13: Princess Caroline of Hanover leaves the county court on January 13, 2010 in Hildesheim, Germany. Princess Caroline appears as a witness for her husband Prince Ernst August against a Kenyan nightclub owner who claims he was hospitalised after being punched by Prince Ernst August of Hanover following a row about music from his establishment. In 2004, Ernst August was convicted in having attacked the German hotelier in January 2000. Now he is claiming his innocence.