Josceline Percy, 11th Earl of Northumberland English noble (1644-1670) (1644–1670) Parents Elizabeth Howard Algernon Percy, 10th Earl of Northumberland Children Elizabeth Seymour, Duchess of Somerset Henry Percy, Baron Percy Siblings Elizabeth Capell, Countess of Essex Lady Mary Percy Lady Catharine Percy Lady Lucy Percy Lady Anne Percy Lady Dorothy Percy Partners Elizabeth Percy, Countess of Northumberland
