The Dolly Sisters: Vaudeville's Most Famous Female Duo by David Soren

Rose "Rosie" Dolly (October 25, 1892 – February 1, 1970) and Jenny Dolly (October 25, 1892 – June 1, 1941)  and Janka (later known as Yansci or Jenny) Deutsch were twins born on October 25, 1892, in Balassagyarmat, Hungary. Their family came to America in 1905 and they both began to study dance, becoming prolific at tandem dancing, that is, moDavid Soren Collectionving simultaneously.