Louisa Frederica Augusta Cavendish, Duchess of Devonshire, formerly Louisa Montagu, Duchess of Manchester, was a German-born British aristocrat sometimes referred to as the "Double Duchess" due to her
Photographic portrait, 1884
Illustration of Kimbolton Castle in 1880, which shows the present mansion as rebuilt between 1690 and 1720
Painting of the then Duchess of Manchester, 1859
Photograph of the then Duchess of Manchester by Camille Silvy, 1860
George Victor Drogo "Kim" Montagu, 8th Duke of Manchester, styled Lord Kimbolton from 1853 to 1855 and Viscount Mandeville from 1855 to 1890, was a British peer and Member of Parliament.
Louisa Cavendish, Duchess of Devonshire
…They had five children: George Victor Drogo Montagu, 8th Duke of Manchester (1853–1892), who married Consuelo Yznaga (1853–1909), and had issue. Lady Mary Louisa Elizabeth Montagu (1854–1934), who was born at Kimbolton Castle…
"Kim" — The then-Viscount Mandeville, as caricatured by 'Spy' (Leslie Ward) in Vanity Fair, April 1882
Kimbolton Castle, the former seat of the Dukes of Manchester
Grave of George Montagu at Ballymore Parish Church, Tandragee