Habsburg, Otto von [1912-2011] -- last Crown Prince of Austria-Hungary
a/k/aAustria (1916-1918), Crown Prince
Otto von Habsburg (20 November 1912 – 4 July 2011), also known by his royal name as Archduke Otto of Austria, was the last Crown Prince of Austria-Hungary from 1916 until the dissolution of the empire in 1918, a realm which comprised modern-day Austria, Hungary, Bosnia and Herzegovina, Croatia, the Czech Republic, Slovakia, Slovenia, and parts of Italy, Montenegro, Poland, Romania, Serbia and Ukraine. He subsequently became the pretender to the former thrones, Head of the Imperial House of Habsburg, and Sovereign of the Order of the Golden Fleece in 1922, upon the death of his father. He resigned as Sovereign of the Golden Fleece in 2000 and as head of the Imperial House in 2007.
The eldest son of Charles I and IV, the last Emperor of Austria and King of Hungary, and his wife, Zita of Bourbon-Parma, Otto was born as third in line to the thrones, as His Imperial and Royal Highness Archduke and Imperial Prince Otto of Austria, Royal Prince of Hungary and Bohemia.
With his father's accession to the thrones in 1916, he was himself likely to become the Emperor.
As his father never abdicated, Otto was considered by himself, his family and Austro-Hungarian legitimists to be the rightful Emperor-King from 1922.
- Father: ¤Karl I [1887-1922] last Habsburg ruler, Golden Fleece