During the 18th century, seven mansions were built along the main road to Watertown (which included not only the modern Brattle Street but also what is now Elmwood Avenue) [REF].
The Baroness Riedesel, whose husband commanded the Brunswick regiments that supported the British, spent much of the wartime "imprisoned" at 149 Brattle Street, the old Tory Row mansion now commonly called the Lechmere-Sewall-Riedesel House [REF].