All around the world, Royzenman (Royzenman , Ройзенман ) is an extremely rare unknown gender first name. Much more frequently, Royzenman is the last name as well as the forename.
Роизенман
Feliks
, Ройзенман 
) is an extremely rare unknown gender first name. Much more frequently, Royzenman is the last name as well as the forename.