^"Betsey Cushing Roosevelt Whitney, 89, Socialite". نيويورك تايمز in the شيكاغو تريبيون. 29 مارس 1998. مؤرشف من الأصل في 2017-02-02. اطلع عليه بتاريخ 2010-06-06. Her older sister, Mary "Minnie" Cushing, was married to Vincent Astor, the wealthy real estate owner, and after a divorce, to artist James Whitney Fosburgh. She died in 1978 at 72.