George Wyndham, 1st Baron Leconfield (5 June 1787 – 18 March 1869), was a British

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 soldier and peer.

A direct descendant of Sir John Wyndham, he was the eldest natural son of George O'Brien Wyndham, 3rd Earl of Egremont, and Elizabeth Ilive. He entered the British Army

British Army

The British Army is the land warfare branch of Her Majesty's Armed Forces in the United Kingdom. It came into being with the unification of the Kingdom of England and Scotland into the Kingdom of Great Britain in 1707. The new British Army incorporated Regiments that had already existed in England...

 and achieved the rank of Colonel

Colonel

Colonel , abbreviated Col or COL, is a military rank of a senior commissioned officer. It or a corresponding rank exists in most armies and in many air forces; the naval equivalent rank is generally "Captain". It is also used in some police forces and other paramilitary rank structures...

. His parents were married in 1801 but had no sons after their marriage. The earldom of Egremont became extinct on the death of Lord Egremont's nephew in 1845 and Leconfield was adopted as the heir to the substantial Egremont estates, including Petworth House

Petworth House

Petworth House in Petworth, West Sussex, England, is a late 17th-century mansion, rebuilt in 1688 by Charles Seymour, 6th Duke of Somerset, and altered in the 1870s by Anthony Salvin...

 in Sussex

Sussex

Sussex , from the Old English Sūþsēaxe , is an historic county in South East England corresponding roughly in area to the ancient Kingdom of Sussex. It is bounded on the north by Surrey, east by Kent, south by the English Channel, and west by Hampshire, and is divided for local government into West...

.