Chislehurst its earlier format corresponded to the letters IMP (for "imperial"). The Chislehurst civil parish formed an urban district of Kent from 1894 to 1934. In 1934 it became part of the Chislehurst and Sidcup Urban District, which was split in 1965 between the London boroughs of Bromley and Bexley. The Walsingham family, including Christopher Marlowe's patron, Sir Thomas Walsingham and Queen Elizabeth I's spymaster, Francis Walsingham, had a home in Scadbury Park, now a nature reserve in which the ruins of the house can still be seen. A water tower used to straddle the road from Chislehurst to Bromley until
Francis Walsingham 1566, Walsingham married Ursula St. Barbe, widow of Sir Richard Worsley, and Walsingham acquired her estates of Appuldurcombe and Carisbrooke Priory on the Isle of Wight. The following year, she bore him a daughter, Frances. Walsingham's other two stepsons, Ursula's sons John and George, were killed in a gunpowder accident at Appuldurcombe in 1567. In the following years, Walsingham became active in soliciting support for the Huguenots in France and developed a friendly and close working relationship with Nicholas Throckmorton, his predecessor as MP for Lyme Regis and a former ambassador to France. By 1569, Walsingham was working with William