Dorothy Devereux1564 - 1619 Born 1564 Died Sat, 3 August 1619 Details Parents Countess of Northumberland Dorothy Percy Lived 55 years, 1 month, 2 days father Walter Devereux 1541 - 1576 mother Lettice Knollys 1543 - 1634 Siblings Sister Penelope Devereux 1563 - 1607 Brother Robert Devereux 1565 - 1601 Brother Walter Devereux 1566 - 1591