Sarah Villiers, Countess of Jersey Her husband, George Villiers, added the surname Child by royal licence. Lady Jersey married George Child Villiers, 5th Earl of Jersey, on 23 May 1804, in the drawing room of her house in Berkeley Square. Her husband's mother, Frances Villiers, Countess of Jersey (also Lady Jersey), was one of the more notorious mistresses of King George IV when he was Prince of Wales. Her sister Maria married John Ponsonby, Viscount Duncannon, later the 4th Earl of Bessborough, a brother of Lady Caroline Lamb. Her own affairs, though conducted discreetly, were said to be numerous: Henry John Temple, 3rd Viscount Palmerston,
Diseases and epidemics of the 19th century 1905, with the last outbreak affecting New Orleans. Diseases and epidemics of the 19th century Diseases and epidemics of the 19th century reached epidemic proportions in the case of one emerging infectious disease: cholera. Other important diseases at that time in Europe and other regions included smallpox, typhus and yellow fewer. Epidemics of the 19th century were faced without the medical advances that made 20th-century epidemics much more rare and less lethal. Micro-organisms (viruses and bacteria) had been discovered in the 18th century, but it was not until the late 19th century that the experiments of Lazzaro Spallanzani and Louis