Surname Sergeius (Сергейус , Sergeius ) , in all the world, is an extremely rare cognomen. Predominantly, Sergeius is the forename as well as the last name.
Сергеиус, and Сергеюс
Kosloff, and Milisich
, Sergeius 
) , in all the world, is an extremely rare cognomen. Predominantly, Sergeius is the forename as well as the last name.