 Aimone's engagement to Princess Olga of Greece, daughter of Prince Michael of Greece and Denmark, was announced in May 2005.Olga and Aimone are second cousins; both being great-grandchildren of the French pretender Prince Jean, Duke of Guise.They are also second cousins-once-removed, as George I of Greece is Olga's patrilineal great-grandfather and Aimone's great-great-grandfather.