I'm down to my last £5 million says Baron Egremont, owner of 20,000 acres in Sussex It's a very nice life comments Colonel Cameron of Lochiel, twenty-sixth hereditary Chief of the Clan Cameron, and Britain's largest landowning commoner Viscount Scarsdale's family, the Curzons, have lived at Kedleston in Derbyshire for more than 850 years When the seventh Marquess of Anglesey inherited his title he also inherited a bill for £2 1/2 million death duties In Blenheim Palace the tenth Duke of Marlborough has surely the stateliest stately-home in the land Nina Caroline Ogilvy - Grant Studley-Herbert , twelfth Countess of Seafield, owns 200,000 Scottish acres-an area more than half the size of Greater London.