At the time of his death, he was a citizen of Germany, Austria, Hungary, and Croatia, having earlier been stateless de jure and de facto, and possessed passports of Monaco, the Order of Malta, and Spain.
Öldüğünde Almanya, Avusturya ve Macaristan vatandaşıydı ve daha evvelden ise de jure ve de facto olarak haymatlos idi ve Monako, Malta ve İspanya pasaportlarına sahipti.