sentences:  Harvey's retirement included a further period in politics, returning to his seat as MP for Essex between 1820 and 1830.Harvey died in 1830 at his family estate of Rolls Park and was buried in the Harvey family crypt at St Andrews Church at Hempstead, Essex, near Saffron Walden, which contains the remains of over 50 family members, including his ancestor's brother, Dr. William Harvey.His coffin is still in the crypt, and can be viewed on request.