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Mary Villiers, Countess of Buckingham
Mary Villers, Countess of Buckingham (née Beaumont) (1570–1632) 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.
After his first wife died 1 May 1587, she became the second wife of Sir George Villiers. They had four children:
Following the death of her husband, she was created Countess of Buckingham in her own right in 1618. She became a Roman Catholic convert in the early 1620s, under the influence of the Jesuit John Percy.