m. 1 Oct 1642
Facts and Events
Percy was the eldest son of Algernon Percy, 10th Earl of Northumberland and his second wife, Elizabeth Howard, daughter of Theophilus Howard, 2nd Earl of Suffolk. He served as a Page of Honour at the coronation of Charles II of England on 23 April 1661 and became a member of the Inner Temple on 4 November of that same year.
In 1668, Henry inherited his father's titles and estate. Upon Henry's death in 1670 without a male heir, the Earl's titles became extinct and his estate passed to his only daughter, Elizabeth.