David Hennessy, 3rd Baron Windlesham

The Right Honourable The Lord Windlesham CVO PC FBA
Leader of the House of Lords Lord Keeper of the Privy Seal
In office 23 May 1973 – 4 March 1974
Monarch	Elizabeth II
Prime Minister	Edward Heath
Preceded by	The Earl Jellicoe
Succeeded by	The Lord Shepherd
Minister of State for Northern Ireland
In office 26 March 1972 – 5 June 1973
Monarch	Elizabeth II
Prime Minister	Edward Heath
Preceded by	Office established
Succeeded by	The Lord Belstead (as Parliamentary Under-Secretary of State)
Minister of State for Home Affairs
In office 23 June 1970 – 26 March 1972
Monarch	Elizabeth II
Prime Minister	Edward Heath
Preceded by	Shirley Williams
Succeeded by	The Viscount Colville of Culross
Member of the House of Lords
Lord Temporal
as a hereditary peer 20 February 1963 – 11 November 1999
Preceded by	The 2nd Baron Windlesham
Succeeded by	Seat abolished
as a life peer 17 November 1999 – 21 December 2010
Personal details
Born	28 January 1932
Died	21 December 2010(2010-12-21) (aged 78)
Political party	Conservative
Alma mater	Trinity College, Oxford

David James George Hennessy, 3rd Baron Windlesham, Baron Hennessy, CVO, PC, FBA (28 January 1932 – 21 December 2010^[1]) was a Conservative Party politician in the United Kingdom who held visiting professorships at various universities.