Sina, Baron Georg Simon von, b. Niš (Yugoslavia), Nov. 20, 1783, d. Vienna, May 18, 1856, banker; father of Simon Georg von Sina. Came to Vienna with his Greek-born father, Simon Georg Sina the Elder (1753-1822). Founded a bank, owned real estate in Hungary, Bohemia, Moravia and Lower Austria (Mauerbach, Rappoltenkirchen, Gföhl, Leopoldsdorf) and property in Vienna. Invested in new factories and railway construction. As one of the richest men in the monarchy around 1850 he was the strongest rival of the Rothschild family.