Mark Hambourg was born in Voronezh , Russia , the middle brother of the famous pianist Jan Hambourg . Mark Hambourg was born in Voronezh , Russia , as the middle brother of famous pianist Jan Hambourg .
Mark Hambourg dilahirkan di Voronezh, Rusia, saudara tengah pemain piano terkenal Jan Hambourg. Mark Hambourg dilahirkan di Voronezh, Rusia, sebagai saudara tengah pemain piano terkenal Jan Hambourg.