Around the globe, Зулен (Зулен , Zoelen ) is a very rare epicene forename. Much more frequently, Зулен is the last name as well as the forename.
Zoulen, and Zulen
Авхаджанов, and Дулатов
, Zoelen 
) is a very rare epicene forename. Much more frequently, Зулен is the last name as well as the forename.