Anne Yelverton
Anne Yelverton( 1628–1698) was Countess of Manchester and Countess of Halifax.
Anna Maria of Solms-Sonnewalde
Anna Maria, Countess of Solms- Sonnewalde( 24 January 1585 in Sonnewalde – 20 November 1634 in Ottweiler) was Countess of Soms- Sonnewalde by birth and by marriage Countess of Hohenlohe- Langenburg.
Joan II, Countess of Burgundy
Joan II, Countess of Burgundy( 15 January 1292 – 21 January 1330), was Queen of France by marriage to Philip V of France, and ruling Countess of Burgundy and Countess of Artois.
She was the eldest daughter and heiress of Otto IV, Count of Burgundy, and Mahaut, Countess of Artois.
Henry Compton, 1st Baron Compton
Henry Compton, 1st Baron Compton (14 July 1544 – 10 December 1589) was an English peer and Member of Parliament.
Compton was the posthumous son of Peter Compton of Compton Wynyates and his wife Anne, daughter of George Talbot, 4th Earl of Shrewsbury, and the grandson of Sir William Compton.
He was trained in the law at Gray's Inn (1563).
He succeeded his father in 1544 and was knighted in 1567.
He was elected a Member (MP) of the Parliament of England for Old Sarum in 1563 and was appointed High Sheriff of Warwickshire for 1571–72.
In 1572 he was summoned to the House of Lords as Baron Compton, of Compton in the County of Warwick.
After his ennoblement Lord Compton was one of the peers at the trial of Mary, Queen of Scots in 1586.
He married, firstly, Frances, daughter of Francis Hastings, 2nd Earl of Huntingdon and Katherine Pole, with whom he had one son.
He married, secondly, Anne, daughter of Sir John Spencer and Katherine Kitson, with whom he had a further two sons.
Lord Compton died in December 1589, aged 45, and was succeeded in the barony by his son from his first marriage, William, who was created Earl of Northampton in 1618.
A younger son, Thomas, was the third husband of Mary Villiers, Countess of Buckingham, mother of the great royal favourite George Villiers, 1st Duke of Buckingham.
Mary Villiers, Countess of Buckingham
Mary Villiers, Countess of Buckingham (née Beaumont; c. 1570 – 19 April 1632) is perhaps best known as the mother of the royal favourite Sir George Villiers, 1st Duke of Buckingham.
She was the daughter of Anthony Beaumont of Glenfield, Leicestershire, a direct descendant of Henry de Beaumont, and his wife Anne Armstrong, daughter of Thomas Armstrong of Corby.
John Villiers, 1st Viscount Purbeck
John Villiers( c. 1591 – 18 February 1658) was an English courtier from the Villiers family.
The eldest son of Sir George Villiers and Mary Beaumont, later Countess of Buckingham, he was the brother of King James I's favourite, George Villiers, 1st Duke of Buckingham.
Max Beloff, Baron Beloff
Max Beloff, Baron Beloff, (2 July 1913 – 22 March 1999) was a British historian and Conservative peer.
From 1974 to 1979 he was principal of the University College of Buckingham, now the University of Buckingham.
George Villiers (died 1606)
Sir George Villiers (c. 1544 – 4 January 1606) was an English knight and country gentleman.
He was a High Sheriff of Leicestershire for the year 1591, and later was briefly a Knight of the Shire, a Member of Parliament representing the county of Leicestershire.
He was the father of James
I's favourite, George Villiers, 1st Duke of Buckingham and of several other sons who became prominent at court, establishing the Villiers family at the heart of royal circles for several generations.
Frances Villiers, Countess of Jersey
Frances Villiers, Countess of Jersey ("née" Twysden; 25 February 1753 – 23 July 1821) was a British Lady of the Bedchamber, one of the more notorious of the many mistresses of King George IV when he was Prince of Wales, "a scintillating society woman, a heady mix of charm, beauty, and sarcasm".
Constance Villiers-Stuart
Constance Mary Villiers- Stuart(" née" Fielden, 1877 – 1966) was an English author and water- colour painter.

Question: What nationality is Mary Villiers, Countess Of Buckingham's husband?
Answer: English