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Family name Köseer (Köseer
) , globally, is a rare surname. The cognomen Köseer is habitual in Turkey, where it is quite a rare surname, and Germany, where it is a very rare surname.
Ali, Seher, Ayşe, Aynur, Ahmet, Cafer, Celal, Burcu, Birol, Kasim, Kadir, Kader, Kerem, Kemal, Resat, Rıza, Derya, Demet, Duygu, Döne, Gizem, Leyla, Sedat, Talat, Semra, Selim, Sami, Sati, Seda, Baki, Bora, Riza, Dudu, Esat, Eser, Eren, Emel, Ebru, Ezgi, Veli, Umut, Ufuk, Melek, Metin, Murat, Sinan, Sinem, Selda, and Tolga