Violet Emelia Sidney

Edmund Creighton Duff, Vera Sydney and Violet Emelia Sidney died from arsenic poisoning.

The main suspects according to police documents were the wife of Edmund Duff and her brother who were suspected of conspiring together, however, towards the end the police accounts seem to favour only the wife of being the main suspect. The police reports infer with some strength that the wife was probably responsible for all three deaths. However, no one was ever charged or convicted for the murders. The brother went off to America after whilst the wife went to live on the South Coast.