House of Curzon, which dates back to the 1200s, is one of the most acknowledged English aristocratic families. Its family members have held almost 14 hereditary titles, including Earl Howe, Marquess Curzon of Kedleston, Earl Curzon of Kedleston, Viscount Scarsdale, Viscount Curzon, Viscounts Howe, Baron Scarsdale, Curzon of Kedleston, Baron Ravensdale, Baron Howe, Manor of Curzon, Baron Curzon, Baronet Kedleston Hall and Baronet Mosley. 