The FitzWilliam family is a fictional aristocratic family featured in Jane Austen's novel, Pride and Prejudice. They are known for their wealth and social status, residing at Pemberley, a grand estate in Derbyshire, England. The family is headed by Mr. FitzWilliam Darcy, a prominent and wealthy gentleman, who plays a central role in the story. The family also includes Georgiana Darcy, Mr. Darcy's younger sister, who is portrayed as kind and shy. The FitzWilliam family represents the upper class of early 19th-century England, highlighting themes of class, marriage, and social expectations in Austen's work.