He was the brother of Nicola and son of the industrialist and sugar magnate Artemon Terestchenko. Their estates covered over 700,000 hectares in southern Russia and they operated more than a dozen large sugar refineries. He was married to Nadehzda Vladimirovna Khlopoff of the ancient and noble Khlopoff family. Together they produced three children : Nadehzda, Nathalie and Theodore.