Roswithka Bertasha Smid Honczar (born January 19, 1952) is a former German model and actress who became a well-known celebrity in Spain during the 1970s, under the stage name Nadiuska.
Born in 1952 in Schierling to a Polish mother and a Russian father, both Jewish, Nadiuska moved to Barcelona in 1971 and her career rapidly took off. She appeared in a number of sex comedies over the next decade, and appeared nude in Playboy magazine. She played Conan's mother in the 1982 Arnold Schwarzenegger film Conan the Barbarian. She co-starred with Spanish horror star Paul Naschy in his science fiction film The People Who Own The Dark. Years later she was committed to a psychiatric ward with schizophrenia.
Goble, Alan (1999). The Complete Index to Literary Sources in Film. Walter de Gruyter. ISBN 978-3-59811-492-2.