Louisa Cavendish, Duchess of Devonshire
Louisa Frederica Augusta Cavendish, Duchess of Devonshire, formerly Louisa Montagu, Duchess of Manchester, née Luise Fredericke Auguste, Countess von Alten( 15 June 1832 – 15 July 1911) was a German- born British aristocrat sometimes referred to as the" Double Duchess" due to her marriages to first the Duke of Manchester and later to the Duke of Devonshire.
Mary Montagu, Duchess of Montagu
Mary Montagu, Duchess of Montagu( 15 July 1689 – 14 May 1751), formerly Lady Mary Churchill, was a British court official and noble, the wife of John Montagu, 2nd Duke of Montagu.
She was the youngest surviving daughter of John Churchill, 1st Duke of Marlborough, and his wife Sarah.
Michael Burdekin
Frederick Michael Burdekin is a British civil engineer, and emeritus professor at University of Manchester Institute of Science and Technology and the University of Manchester.
Louisa Montagu Douglas Scott, Duchess of Buccleuch
Louisa Jane Montagu Douglas Scott, Duchess of Buccleuch and Queensberry( 26 August 1836 – 16 March 1912) was the daughter of James Hamilton, 1st Duke of Abercorn.
In 1884, she became the Duchess of Buccleuch and Duchess of Queensberry, the wife of William Henry Walter Montagu Douglas Scott, 6th Duke of Buccleuch& 8th Duke of Queensberry.
She was the paternal grandmother of Princess Alice, Duchess of Gloucester and of Marian Louisa, Lady Elmhirst, as well as the maternal great- grandmother of Prince William of Gloucester, Prince Richard, Duke of Gloucester and great- great- grandmother of Sarah, Duchess of York.
Elizabeth Montagu, Duchess of Manchester
Elizabeth Montagu, Duchess of Manchester (c.1740 – 26 June 1832), formerly Elizabeth Dashwood, was the wife of George Montagu, 4th Duke of Manchester.
She was born at Kirtlington in Oxfordshire, a daughter of Sir James Dashwood, 2nd Baronet, and his wife, the former Elizabeth Spencer (whose sister Anne
was Duchess of Hamilton).
One of Elizabeth Dashwood's sisters, Anne, became Countess of Galloway.
She married Manchester on 22 or 23 October 1762, at St George's, Hanover Square, London, in the same year he inherited the dukedom.
Their children were:
Sir Joshua Reynolds painted the duchess, along with her son George, Viscount Mandeville, in about 1766.
The duchess was herself an amateur artist, whose pocket book is held by the Royal Academy of Arts in London.
The duke died in 1788, following which his widow received an annual pension of £3000, as officialcompensation for the loss of his income as Collector of Customs.
The dowager duchess died at her home in Berkeley Square, London, in 1832, in her 92nd year, and was buried at Kimbolton.
Susan Montagu, Duchess of Manchester
Susan Montagu, Duchess of Manchester( 2 February 1774 – 26 August 1828), formerly Lady Susan Gordon, was the wife of William Montagu, 5th Duke of Manchester.
Lady Susan was born at Gordon Castle, the third daughter of Alexander Gordon, 4th Duke of Gordon, and his first wife, the former Jane Maxwell; Jane was noted for having succeeded in making advantageous marriages for all her children.
It was said that she went to view the Duke of Manchester's house before meeting him.
Susan married the duke in Edinburgh on 7 October 1793.
They had eight children:
The couple were estranged by 1808, when the duke became governor of Jamaica, and his wife remained in Britain.
The duke was notoriously unfaithful, but it was the duchess who became the subject of a scandal when she left him for a footman.
They separated and she was given a settlement.
An exile from polite society, the duchess died at Bedfont Lodge in Middlesex, in August 1828, at the age of 54.
She was buried at Kimbolton.
George Montagu, 8th Duke of Manchester
George Victor Drogo Montagu, 8th Duke of Manchester
(Kimbolton, Huntingdon, Cambridgeshire, 17 June 1853 – Tandragee Castle, County Armagh, 18 August 1892), styled Lord Kimbolton from 1853 to 1855 and Viscount Mandeville from 1855 to 1890, was a British peer and Member of Parliament.
Fiona Devine
Fiona Devine CBE FAcSS( born 6 June 1962) is a professor of sociology at the University of Manchester and head of Manchester Business School.
Consuelo Montagu, Duchess of Manchester
Consuelo Montagu, Duchess of Manchester (1853 – 20 November 1909), née Consuelo Yznaga (also spelled Iznaga by some sources) was a Cuban American woman who married George Montagu, Viscount Mandeville, and later became the Duchess of Manchester.
Natalia Grosvenor, Duchess of Westminster
Natalia Ayesha Grosvenor, Duchess of Westminster(" née" Phillips; born 8 May 1959) is the widow of The 6th Duke of Westminster.
The Duchess will assume the style of Her Grace Natalia, Duchess of Westminster or Her Grace
The Dowager Duchess only upon the marriage of her son.
At the time of her husband's succession to the title, there were four Duchesses of Westminster, the current Duchess, Sally Grosvenor, Duchess of Westminster, Anne Grosvenor, Duchess of Westminster and Viola Grosvenor, Duchess of Westminster.

Question: Which country Consuelo Montagu, Duchess Of Manchester's husband is from?
Answer: British