Alice du Pont Mills Alice Frances du Pont Mills ( December 13 , 1912 - March 13 , 2002 ) was an American aviatrix , thoroughbred race horse breeder and owner , environmentalist , philanthropist and a member of the prominent du Pont family . Born in Wilmington , Delaware , the daughter of A . Felix du Pont ( 1879 – 1948 ) and Mary Chichester ( 1878 – 1965 ) , after graduating from Oldfields School in Glencoe , Maryland , the wealthy Alice du Pont pursued a wide variety of interests . Like her brothers , Felix and Richard , she too had a passion for flying . In 1932 , she was only twenty years old when she and brother Richard flew an open - cockpit plane up the Amazon River . In 1935 , she married James Paul Mills ( 1908 – 1987 ) who shared her love of flying and with whom she had three children . Her daughter Phyllis married artist Jamie Wyeth . Her grandson was Richard P . Mills ( aka Grimnir Wotansvolk / G . Heretik , owner of the American National Socialist black metal record label and distro " Vinland Winds " ) who died in mysterious circumstances on August 28 , 2006 . During World War II , Ms du Pont Mills served as a volunteer flight instructor for United States military pilots at an airfield on Long Island , New York . With the war over , in 1946 she and her husband flew a single - engine plane from New York City to Buenos Aires , Argentina . The Chichester du Pont Foundation was incorporated in 1946 by Alice du Pont Mills , A . Felix du Pont , Jr . , Lydia Chichester du Pont , and Mary Chichester du Pont Clark . The foundation , which remains in operation , is primarily involved in supporting youth with donations made to social service organizations for the direct benefit of children . Thoroughbred racing . In 1949 , she and her husband settled on a country estate in Middleburg , Virginia where they maintained Hickory Tree Farm and Stable , a thoroughbred breeding and racing operation . Her stable won numerous stakes race s , notably in 1966 when her filly Glad Rags won a British Classic Race , the 1 , 000 Guineas Stakes . At the 1982 Keeneland yearling sale she bought the Windfields Farm colt , Devil ' s Bag . Trained by Woody Stephens , Devil ' s Bag was voted the Eclipse Award winner as American Champion Two - Year - Old Colt of 1983 and a favorite for the 1984 Kentucky Derby , However , the horse had to be retired after sustaining an injury . Devil ' s Bag was syndicated for US $ 36 million as a breeding sire , and produced more than 40 stakes winners before his death in 2005 . Through her involvement with thoroughbred horses , Alice du Pont Mills became a member of the Virginia Thoroughbred Association , Hickory Tree Farm and Stable elected a member of its Hall of Fame . She served as a Trustee of the United States Thoroughbred Owners and Breeders Association , was an Advisory Trustee to the National Museum of Racing and Hall of Fame , and was a Director of the Grayson - Jockey Club Research Foundation . A founding member of the Marion duPont Scott Equine Medical Center in Leesburg , Virginia , Alice du Pont Mills ' cousin , Marion duPont Scott , was a significant owner / breeder in both flat and steeplechase racing . Involved in a number of charitable works , Alice du Pont Mills was a member of the national board of directors of Planned Parenthood . A conservationist , she was an active advocate for the preservation and careful management of the environment and of natural resources , serving as founding member of Virginia ' s Bull Run Conservancy and the Piedmont Environmental Council and became a Trustee of the Virginia Outdoors Foundation . Alice du Pont Mills died in Virginia in 2002 .