Around the world, Сибілев (Сибілев ) is an extremely rare unknown gender forename. Much more frequently, Сибілев is the last name as well as the forename.
Sibilev, and Sibilyev
Ілля, Сергій, Михайло, and Володимир
) is an extremely rare unknown gender forename. Much more frequently, Сибілев is the last name as well as the forename.