The Queen's Private Secretary, Francis Knollys, wrote to the Duchess that the Prince of Wales (who dressed as the Grand Master of the Knights of Malta) thought the party a success.

[2][13] On 22 July 1852, the twenty-year-old Louisa was married in Hanover to Viscount Mandeville, eldest son and heir of the 6th Duke of Manchester.

[dubious – discuss][citation needed] Louisa became the companion of Spencer Cavendish, Marquess of Hartington, and a notable political hostess.

[16] On 16 August 1892, at Christ Church, Mayfair, the sixty-year-old Dowager Duchess of Manchester married Lord Hartington, by then the 8th Duke of Devonshire.

She was taken to nearby Esher Park,[20] and died there on 15 July, aged 79;[19] she was interred at Edensor, near Chatsworth, in Derbyshire.