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Surname Biočina (Biočina ) , globally, is a very rare cognomen. The family name Biočina is habitual in Southern Europe, particularly Croatia, where it is quite a rare surname.
Biocina
Jan, Ivo, Maja, Ante, Nina, Ivan, Marko, Matea, Josip, Filip, Marija, Katija, Romana, and Zdravka