Fanny Cornforth was an Englishwoman who became the artists model and mistress of the PreRaphaelite painter Dante Gabriel Rossetti. Later, Cornforth performed the duties of housekeeper for Rossetti.
It is believed that Cornforths real name was Sarah Cox, and that she was born in Steyning, West Sussex, the daughter of a blacksmith. She is recorded in the 1851 census living in Brighton, working as a house servant.
Source: Wikipedia