Blenheim Palace (pronounced /ˈblɛnɪm/ BLEN-im) is a monumental country house in Blenheim, Oxfordshire, England. It is the principal residence of the Dukes of Marlborough, and the only non-royal, non-episcopal country house in England to hold the title of palace. The palace, one of England’s largest houses, was built between 1705 and 1722, and designated a UNESCOWorld Heritage Site in 1987.https://en.wikipedia.org/wiki/Blenheim_Palace
Henry Le Mareschau was the owner of Cheverny in 1315, held under the Count of Blois(F1). It was sold to Jean Huraults with its “houses, presses and vineyards” in the late 14th century. His grandson Jaques gained the title, Seigneurs de Cheverny, having served under Louis XI, Charles VIII and Louis XII(b1)(note 3) and gained the governorship of the county of Blois under Francis I (A1).
Waddesdon Manor is a country house in the village of Waddesdon, in Buckinghamshire, England. It is located in the Aylesbury Vale, 6.6 miles (10.6 km) west of Aylesbury. The Grade I listed house was built in the Neo-Renaissance style of a French château between 1874 and 1889 for Baron Ferdinand de Rothschild (1839–1898) as a weekend residence for grand entertaining and as a setting for his collection. The last member of the Rothschild family to own Waddesdon was James de Rothschild (1878–1957). He bequeathed the house and its contents to the National Trust. It is now managed by the Rothschild Foundation chaired by Jacob Rothschild, 4th Baron Rothschild. It is one of the National Trust’s most visited properties, with over 466,000 visitors in 2018, with 157,000 visiting the house in 2015. Waddesdon Manor won Visit England’s Large Visitor Attraction of the Year category in 2017.https://en.wikipedia.org/wiki/Waddesdon_Manor