sentences:  Jane Austen (1775–1815) wrote her novel "Northanger Abbey" (written 1798, published 1817) as a satire on romantic affectation.The Montgomerie family had a romantic tale of chivalry which bound them to the idea of a revival of such ideals, this being the acquisition of the pennon and spear of Harry Hotspur, aka Sir Henry Percy, at the Battle of Otterburn by a Montgomerie.The price for Hotspur's release was the building of the castle of Polnoon in Eaglesham, Renfrewshire for the Montgomeries.