prince amedeo belgium
Prince Amedeo of Belgium, Archduke of Austria-Este. Prince Amedeo of Belgium, Archduke of Austria-Este (Amedeo Marie Joseph Carl Pierre Philippe Paola Marcus d'Aviano; born 21 February 1986) is a member of the Belgian Royal Family. He is the heir to the headship of the House of Austria-Este, a cadet branch of the Habsburg-Lorraine, and is sixth in line to the throne of Belgium. 1 Birth and family.