Algernon Percy, 10th Earl of Northumberland English noble (1602-1668) (1602–1668) Parents Dorothy Percy, Countess of Northumberland Henry Percy, 9th Earl of Northumberland Children Lady Lucy Percy Lady Mary Percy Lady Dorothy Percy Elizabeth Capell, Countess of Essex Josceline Percy, 11th Earl of Northumberland Lady Catharine Percy Lady Anne Percy Siblings Lucy Hay, Countess of Carlisle Dorothy Sidney, Countess of Leicester Henry Percy, Baron Percy of Alnwick Dorothy Perrot Penelope Perrot Henry Percy, Baron Percy Henry Percy, Baron Percy Elizabeth Perrot Partners Anne Cecil, Countess of Northumberland Elizabeth Howard
