His three sons - Nicola , Theodore and Simon -- helped run his business .
First guild merchant Artemy Tereshchenko was elevated to the hereditary nobility of the Russian Empire by a royal decree of May 12 , 1870 for special merits and as a reward for charity .
Artemy Tereshchenko 's three sons - Nicola , Theodore and Simon -- helped run his business .
First guild merchant Artemy Tereshchenko was elevated to the hereditary nobility of the Russian Empire by a royal decree of May 12 , 1870 for special merits and as a reward for charity .