After his release, he retired to Vienna, where he died in extreme poverty and misery on 29 January 1828.[1] His last wish that his heart be removed from his body and sent to Greece was fulfilled by Georgios Lassanis, and it is now located at the Amalieion in Athens. His appearance in likenesses and the accounts of his life suggest he had dystrophia myotonica, a congenital multi-system disorder.[12]