Elizabeth Percy noblewoman; Countess of Westmoreland; (1395-1436) (1395–1436) Parents Elizabeth Mortimer Henry Percy Children Thomas Clifford, 8th Baron de Clifford Sir John Neville Mary Wentworth Siblings Henry Percy, 2nd Earl of Northumberland Alice de Camoys Sir Roger de Camoys Partners Ralph Neville, 2nd Earl of Westmorland John Clifford, 7th Baron de Clifford