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In the novel Sparkling Cyanide, Rosemary Barton (née Marle) was the wife of George Barton, and had inherited wealth from an uncle. Friends of her gathered one year after her death. The character of Rosemary is very similar to the character Iris Russell from the short story Yellow Iris.

Portrayals[]

In Meurtre au champagne, the France Télévisions adaptation of Sparkling Cyanide, the parallel character is Elvire Morenkova.

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