Sir Jeffry Wyatville (3 August 1766 – 18 February 1840) was an English architect and garden designer. Born Jeffry Wyatt into an established dynasty of architects, in 1824 he was allowed by King George IV to change his surname to Wyatville (frequently misspelled Wyattville). He is mainly remembered for making alterations and extensions to Chatsworth House and Windsor Castle. Source: Wikipedia (en)