In all the world, Сейненский (Сейненский ) is an extremely rare unknown gender given name. Much more prevalently, Сейненский is the last name as well as the forename.
Seinensky
Акив, Илья, Акива, and Михаил
) is an extremely rare unknown gender given name. Much more prevalently, Сейненский is the last name as well as the forename.