In what year was the father of Elizabeth Capell, Countess of Essex born?
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.
Richard of Conisburgh, 3rd Earl of Cambridge Richard of Conisburgh, 3rd Earl of Cambridge (c. 20 July 1375 – 5 August 1415) was the second son of Edmund of Langley, 1st Duke of York, and Isabella of Castile. At the age of forty, he was beheaded for his part in the Southampton Plot, a conspiracy against King Henry V. He was the father of Richard Plantagenet, 3rd Duke of York, and the grandfather of King Edward IV and King Richard III.