Barcynska, Hélène Countess

Marguerite Florence Laura Jarvis, also known under the pseudonym of Oliver Sandys (7 October 1886 – 10 March 1964) was a British writer, screenwriter, and actress. She used several other names and aliases, such as Countess Barcynska, Hélène Barcynska, Marguerite Florence Barclay, Mrs. Armiger Barczinsky, Caradoc Evans Marguerite, Marguerite Evans, Armiger Barclay, and Marguerite Barclay.