In the entire world, 塞夫 (Saifu 
, Seve 
, Seiff 
) is quite a common epicene first name. The first name 塞夫 is characteristic of Western Asia, particularly United Arab Emirates, where it is quite a rare principally masculine, but very seldom girly name, Oman, where it is quite a rare masculine name, and Qatar. Measured by absolute frequency, this name is the most popular in India, Saudi Arabia, and Bangladesh. Likewise, 塞夫 is the last name as well as the forename.