Four Days' Battle
Berkeley married Penelope Godolphn, daughter of Sir William Godolphin of Godolphin, Cornwall and Thomasine Sydney, and had four sons. He was succeeded in the viscountcy by his eldest surviving son Maurice. His third son, William, became an admiral in the Royal Navy and was also killed fighting the Dutch, in the Four Days' Battle in 1666. Berkeley's brother John was a Royalist soldier and his brother William served as royal governor of the colony of Virginia.