All over the world, Duvalko (Duvalko ) is an extremely rare unknown gender first name. Much more frequently, Duvalko is the last name as well as the forename.
Дувалко
Eugen, Zenon, Zorya, Sisika, Michael, Natalia, and Vitaliy
) is an extremely rare unknown gender first name. Much more frequently, Duvalko is the last name as well as the forename.