the Great of Prussia) had come to nothing, and when her father died, Amelia had lost her apartments at St James's Palace. She took a house in Hanover Square and used Gunnersbury House and estate as a country summer retreat. Amelia – George III's aunt, "that odd and hearty lady" – made Gunnersbury famous with her parties and political intrigues. The previous owner, Henry Furnese, had the grounds landscaped by William Kent in the 18th-century landscape style. Princess Amelia continued this, building a bathhouse in the grounds. 19th century After Amelia died in 1786, the estate had a number of owners. In 1788 it was acquired by Colonel Ironside, who sold it again in 1792 to a Walter Stirling. John Morley decided in 1801 to pull down the mansion and sell the land off piecemeal in 13 lots (the old house occupying Lot 2). The lots were eventually acquired by only two people, Alexander Copland (10 lots in 1802 and a further two in 1806), and Stephen Cosser (Lot 1 in 1802, sold to Major Alexander Morrison in 1807). Two separate estates were then established, each with its own new house. Copland, who bought 76 acres/30 hectares (most of the original grounds), was a builder and business partner of Henry Holland, and built the "Large Mansion" which was known, with its grounds, as "Gunnersbury Park". The "Small Mansion" was built virtually alongside in around 1806–1809, the builders evidently recognising the suitability of the position – an elevated terrace overlooking the horseshoe-lake near where the original mansion had stood. The small mansion and grounds were known as "Gunnersbury House". Rothschilds In 1835, the merchant and financier Nathan Mayer Rothschild purchased the Large Mansion and park shortly before he died. The Small Mansion and its grounds were acquired in 1889 by the Rothschilds from the Thomas Farmer family (who had owned it since 1828), finally reuniting the original estate. The Rothschilds extended Gunnersbury further, acquiring most of the Old Brentford Common Field to the west, as well as land to the north. An old clay-pit in the south-west, "Cole’s Hole", was landscaped to become the Potomac lake, and the tile-kiln beside it modified to become a boat-house disguised as a gothic folly. An orangery was built in 1836 to a design by Sydney Smirke. 20th century In 1925, following the death of Nathan's grandson Leopold de Rothschild, Leopold's wife, Maria, and son