Globally, Сеглер (Сеглер ) is an extremely rare unknown gender first name. Much more frequently, Сеглер is the last name as well as the forename.
Segler, and Sehler
Иван, Валентина, and Володимир
) is an extremely rare unknown gender first name. Much more frequently, Сеглер is the last name as well as the forename.