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Last name Ryskul (Рыскул , Рыскуль , Рискул ) , in all the world, is quite a rare surname. The cognomen Ryskul is habitual in Kyrgyzstan, where it is quite a common surname, Kazakhstan, where it is a very rare surname, and Russia. More prevalently, Ryskul is the forename as well as the last name.
Biyazdykova, Ibraeva, Mamenova, Sarbaeva, Kasmaliev, Ismailova, Mussabayeva, and Abdurazakova