Born in Vienna as Rosalia Streitmann,Birth register of the Jewish Community Vienna, tom. B, No. 3211 Streitmann was the daughter of a stockbroker, her brother was the operetta singer Karl Streitmann. She is said to have first enjoyed ballet training with , but then turned to singing under pressure from her parents. She received lessons from her aunt Rosa Csillag. A first public performance is mentioned in the press in February 1875. In June 1876 she made her debut at the Carltheater in Offenbach's SchönröschenSchönröschen = La jolie parfumeuse : komische Operette in 3 Acten] on Library of Congress[https://www.loc.gov/item/2010662006/ at the world premiere of Franz von Suppé's Boccaccio she sang the role of Fiametta. In 1881 she changed to the Theater an der Wien.
