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
Ava Alice Muriel Astor Ava Alice Muriel Astor Ava Alice Muriel Astor (July 7, 1902 – July 19, 1956) was an American heiress, socialite, and member of the Astor family. She was the daughter of John Jacob Astor IV and Ava Lowle Willing, and sister of Vincent Astor and half-sister of John Jacob Astor VI . Ava was born on July 7, 1902 in Manhattan, New York. She was the only daughter of Colonel John Jacob "Jack" Astor IV (1864–1912) and Ava Lowle Willing (1868–1958). Her paternal grandparents were real estate businessman and race horse breeder/owner William Backhouse Astor, Jr. (1829–1892) and socialite Caroline