Viscount Brouncker

Viscount Brouncker, of Lyons in the Province of Leinster, was a title in the Peerage of Ireland.

He was made Baron Brouncker, of Newcastle in the Province of Munster, at the same time, also in the Peerage of Ireland.

William was a distinguished mathematician, who was the first President of the Royal Society and also held political office.

Henry served as Cofferer of the Household between 1680 and 1685, but was universally detested as being "false, hard and covetous".

Sir Henry Brouncker, father of the first Viscount, was Lord President of Munster 1603–1607.