 He served as Cofferer of the Household to Charles II, and served as Gentleman of the Bedchamber to James, Duke of York.He was a member of parliament and a very skilled games player.Born in 1624, most likely in Ireland, where his grandfather had been Lord President of Munster, Brouncker was the second son of William Brouncker, 1st Viscount Brouncker and Winifred Leigh.