Percy, Algernon (10th Earl of Northumberland)

Family relations: He is the third but eldest surviving son of Henry Percy, ninth earl of Northumberland (1564–1632), and Lady Dorothy Perrott (d. 1619), widow of Sir Thomas Perrott, and daughter of Walter Devereux, first earl of Essex (Drake 2008).

Percy, Algernon (10th Earl of Northumberland)

Family relations: He is the third but eldest surviving son of Henry Percy, ninth earl of Northumberland (1564–1632), and Lady Dorothy Perrott (d. 1619), widow of Sir Thomas Perrott, and daughter of Walter Devereux, first earl of Essex (Drake 2008).