John Astor, 3rd Baron Astor of Hever John Astor, 3rd Baron Astor of Hever John Jacob "Johnny" Astor VIII, 3rd Baron Astor of Hever, PC DL (born 16 June 1946) is an English businessman and politician. He is an hereditary Lord Temporal, sitting with the Conservatives. Astor was Parliamentary Under-Secretary of State at the Ministry of Defence from 2010–2015. Astor is a Deputy Lieutenant of Kent. Astor was born 16 June 1946. He is the eldest of the five children of Gavin Astor, 2nd Baron Astor of Hever, and Lady Irene Haig. Astor succeeded to the peerage after his father died from cancer in June 1984. His
Hever Castle is now open to the public as a tourist attraction. There have been three main periods in the construction of this historic castle. The oldest part of the castle dates to 1270 and consisted of the gatehouse and a walled bailey. The second period was when the castle, then in need of repair, was converted into a manor in 1462 by Geoffrey Boleyn, younger brother of Thomas Bolyen, Master of Gonville Hall, Cambridge. He added a Tudor dwelling within the walls. The third period of repair and renovation was in the 20th century, when it was acquired by William Waldorf