In the entire world, Фильштейн (Фильштейн , Filshtein ) is an extremely rare unknown gender first name. Much more prevalently, Фильштейн is the last name as well as the forename.
Filshteyn
Лидия, Игорь, Ирина, Михаил, Моисей, Леонид, and Вячеслав
, Filshtein 
) is an extremely rare unknown gender first name. Much more prevalently, Фильштейн is the last name as well as the forename.