In 1955, he founded the Astor of Hever Trust, a charity that makes grants to arts, medicine, religion, education, conservation, youth, and sport organisations.

[2] His mother had two children, Mary and George, from her previous marriage to Lord Charles Petty-Fitzmaurice.

[8] Upon the death of his father in 1971, he inherited the barony and Hever Castle in Kent,[3] which the family opened to tours in 1963.

[9] In 1983, the Astor sold the castle to John Guthrie, chairman of the family-run business, Broadland Properties Limited.

[10] In 1955, he founded the Astor of Hever Trust, a charity aimed to collect donations for arts, medicine, religion, education, conservation, youth, and sport.