Elizabeth Capell, Countess of Essex's father was a supporter of what cause in the English Civil War?
Elizabeth Capell, Countess of Essex: Elizabeth Capell, Countess of Essex (1 December 1636 – 5 February 1718; née Percy) was an English noblewoman, the daughter of Algernon Percy, 10th Earl of Northumberland. Algernon Percy, 10th Earl of Northumberland: Algernon Percy, 10th Earl of Northumberland, 4th Baron Percy, KG (29 September 1602 – 13 October 1668) was an English military leader and a prominent supporter of the Parliamentary cause in the English Civil War.
Parliamentary