Charlotte Williams illegitimate daughter of William Cavendish, 5th Duke of Devonshire (d. 1856) Parents Charlotte Spencer William Cavendish, 5th Duke of Devonshire Children Charles Edward Kendal Siblings Augustus Clifford William Cavendish, 6th Duke of Devonshire Georgiana Howard, Countess of Carlisle Caroline St. Jules Harriet Leveson-Gower, Countess Granville Partners Jonathan Kendal