File:Lady Elizabeth Russell (Keppel) (1739-1768.jpg (1761 door Joshua Reynolds).jpg

Lady Elizabeth Keppel is shown adorning a figure of Hymen with garlands of flowers. Her dress is the one she had worn recently as a bridesmaid to Queen Charlotte at her wedding to George III. As one of ten attendants chosen from the eldest unmarried daughters of dukes and earls, she helped to carry Charlotte's train. Her dress of silver tissue complemented the Queen's. Here, her own attendant also wears a rich dress, of silk or cotton which is painted or embroidered. She was a real person who sat to Reynolds twice, according to his sitting book, though her name is not recorded, and it's not known if she was Lady Elizabeth's servant.

Lady Elizabeth married Francis, Marquess of Tavistock, the eldest son of the 4th Duke of Bedford, in 1764. He died in a hunting accident three years later. The Marchioness of Tavistock survived him less than two years, dying of consumption at the end of 1768. Two of their sons succeeded as Dukes of Bedford.