George Mountbatten, 4th Marquess of Milford Haven

Lord Milford Haven subsequently married Clare Husted Steel (born Manhattan, New York, New York County, New York, 2 September 1960) at Coatue Point, Nantucket, Nantucket County, Massachusetts, on 20 August 1997, without issue.

George Ivar Louis Mountbatten, 4th Marquess of Milford Haven (born 6 June 1961), styled Earl of Medina before 1970, is a British hereditary peer and businessman.

Lord Milford Haven is the elder son of the 3rd Marquess of Milford Haven and Janet Mercedes Bryce, the older brother of Lord Ivar Mountbatten and a descendant of Queen Victoria, Catherine the Great, Alexander Pushkin, and Abram Gannibal.

Lord Milford Haven married first Sarah Georgina Walker (born London, Middlesex, 17 November 1961/2), in London on 8 March 1989.

At the death of his father on 14 April 1970, he became the 4th Marquess of Milford Haven and head of the House of Mountbatten.

He is second cousin to Charles III through both of their fathers.

She is the daughter of George Alfred Walker and Jean Maureen (née Hatton), and the former wife of Andreas Antoniou (married 1985; divorced 1987).

Lord Milford Haven and Walker had two children:

He won the Queen's Cup with the Broncos team in 1988 and reached the 2006 final.

The couple were divorced on 27 February 1996 and she married in June 2016 Michael Spencer, Lord Spencer of Alresford.

In 2000, he founded uSwitch, a website which helps consumers compare and change suppliers of various services.

The company was sold to the American media firm E. W. Scripps in March 2006 for around £210 million ($400 million).

He plays polo, and Julian Hipwood has coached his teams.