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Cognomen Osmanca (Osmanca ) , in all the world, is a rare surname. The cognomen Osmanca is characteristic of Western Asia, particularly Turkey, where it is a rare surname.
Nuh, Rümeysa, Ramazan, Bestami, Mustafa, Furkan, Hülya, Emi Ne, Turgut, Serhat, Sacide, Mehmet, Meryem, Hacer, Harun, Burcu, Ahmet, Ayse, Akif, Adem, Fahreddin, and Mustafa Serdar