In the entire world, Slivenko (Сливенко , Slivenko ) is an extremely rare unknown gender first name. Much more prevalently, Slivenko is the last name as well as the forename.
Slyvenko, and Слівенко
Mr, Ms, Ilya, Sergey, and Melanie
, Slivenko 
) is an extremely rare unknown gender first name. Much more prevalently, Slivenko is the last name as well as the forename.