DeLancey Astor Kane the mother of Peter Augustus Jay), and Sybil Kent Kane. He was the grandson of Walter Langdon and Dorothea (née Astor) Langdon and the great-grandson of John Jacob Astor. He was a cousin of Lt. Col. John Jacob Astor IV. His paternal lineage descended from John O'Kane who emigrated to the country in 1752 from County Londonderry and Antrim, Ireland. During the American Revolutionary War, O'Kane (who dropped the "'O" once in America) was living at Sharyvogne, his estate in Dutchess County, which was confiscated after the War due to his Loyalist times. His eldest son, John Jr., stayed and
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