He is the great-great-grandson and historic heir of Wilhelm II, the last German Emperor and King of Prussia, who was deposed and went into exile upon Germany's defeat in World War I in 1918.
Ia adalah canggah dan pewaris dari Wilhelm II, Kaisar Jerman dan Raja Prusia terakhir, yang dilengserkan dan dibawa ke pengasingan setelah kekalahan Jerman saat Perang Dunia I pada 1918.