Mary Villiers, Countess of Buckingham daughter of Anthony Beaumont of Glenfield, Leicestershire (1570–1632) Parents Anne Armstrong Anthony Beaumont Children Susan Feilding, Countess of Denbigh Christopher Villiers, 1st Earl of Anglesey John Villiers, 1st Viscount Purbeck George Villiers, 1st Duke of Buckingham Siblings Anne Beaumont Barbara Beaumont Sir Francis Beaumont Partners George Villiers Sir Thomas Compton Sir William Rayner