. . . . "Radu, Prince of Hohenzollern-Veringen" . . "Prince Radu" . . . . "HRH Prince Radu" . "Prince Consort of Romania" . . . "1960" . . . . "Radu Duda" . "Prince Radu of Romania" . . . . . . . . . . . . . . . . . . . "Prince Radu of Romania" . .