Henry Percy, Baron Percy of Alnwick English politician (1604–1659) Parents Dorothy Percy, Countess of Northumberland Henry Percy, 9th Earl of Northumberland Children Siblings Dorothy Sidney, Countess of Leicester Lucy Hay, Countess of Carlisle Algernon Percy, 10th Earl of Northumberland Dorothy Perrot Penelope Perrot Henry Percy, Baron Percy Henry Percy, Baron Percy Elizabeth Perrot
