 He has also called himself "Radu Hohenzollern-Veringen-Duda".Since 2007, when he had his legal name changed from "Radu Duda" to "Radu al României Duda", Radu no longer uses the name of Hohenzollern.The Fundamental Rules of the Romanian Royal Family, proclaimed by former King Michael I on 30 December 2007, gave Radu the title of "Prince of Romania", with the style of "Royal Highness", which King Michael had given him earlier on 5 January 2005.