Surname Юлдашбаи (Юлдашбаи 
) , in the world, is an extremely rare family name. The surname Юлдашбаи is characteristic of Eastern Europe, particularly Russia, where it is an extremely rare surname. More prevalently, Юлдашбаи is the forename as well as the last name.
Рустамов, and Абдувахапов