Detailed Instructions: Generate a correct and concise answer for the question based on the words in the context.
Problem:Context : Mary Villiers, Countess of Buckingham (nee Beaumont; c. 1570 -- 19 April 1632) is perhaps best known as the mother of the royal favourite Sir George Villiers, 1st Duke of Buckingham.
Question : What is Mary Villiers, Countess of Buckingham's spouse's name?
Solution:
George Villiers