There is mention about another one Alexandr Alexandrovitch Okhterlone, sure he was son of first A.A. Okhterlone Will call him A.A Okhterlone-2 He was victum of Soviet repression Was born in 1899, was shoot in October, 1937 in Moscow. You can try to kind of official document from Russian Federal Security service archive if you wish. Let me know if you need it and I will ask ifit's possible for foreigners. Here is link to read about plave where he was shoot http://www.martyr.ru/index.php?option=com_content&view=article&id=290&Itemid=20http://www.martyr.ru/index.php?option=com_content&view=article&id=290&Itemid=20
With next message Will provide more info abot A.A-1.