Lucy Hay, Countess of Carlisle alleged intrigant at the royal court of Charles I of England (1599–1660) Parents Dorothy Percy, Countess of Northumberland Henry Percy, 9th Earl of Northumberland Children unknown son Hay Siblings Henry Percy, Baron Percy of Alnwick Algernon Percy, 10th Earl of Northumberland Dorothy Sidney, Countess of Leicester Dorothy Perrot Penelope Perrot Henry Percy, Baron Percy Henry Percy, Baron Percy Elizabeth Perrot Partners Thomas Wentworth John Pym James Hay, 1st Earl of Carlisle