Viscount Astor Viscount Astor Viscount Astor, of Hever Castle in the County of Kent, is a title in the Peerage of the United Kingdom. It was created in 1917 for the financier and statesman William Waldorf Astor, 1st Baron Astor. He had already been created Baron Astor, of Hever Castle in the County of Kent, in 1916, also in the Peerage of the United Kingdom. His eldest son, the second Viscount, was the husband of Nancy Astor, Viscountess Astor, the first woman to sit in the House of Commons. the titles are held by their grandson, the fourth Viscount, who succeeded his
Baron Astor of Hever of the ninety elected hereditary peers who remain in the House of Lords after the passing of the "House of Lords Act" of 1999, and he sits on the Conservative benches. As a male-line descendant of the first Viscount Astor, Lord Astor of Hever is also in remainder to this peerage and its subsidiary title Baron Astor, of Hever Castle in the County of Kent. The Hon. John Astor, third son of the first Baron, served as a Conservative Member of Parliament from 1964 to 1974. The heir apparent is the present holder's son, the Hon. Charles Gavin John Astor