Karl von Habsburg , a son of Otto von Habsburg , left, looks on as Austrian Cardinal Christoph Schoenborn,right, blesses the coffin of Otto von Habsburg during the requiem at St. Stephen's Cathedral in Vienna, Austria, on Saturday, July 16, 2011. The oldest son of Austria-Hungary's last emperor and longtime head of one of Europe's most influential families has died at age 98 on July 4. (AP Photo/Ronald Zak)