Cisneros has been married to his wife, Patricia Phelps de Cisneros, since 1970. She has been a significant MoMA benefactor since 1992, she has been a trustee of the museum and made substantial cash contributions to the museum’s recent renovation. Her name is on one of the institution’s exhibition rooms. In addition to MoMA, the Los Angeles County Museum of Art, the Hammer Museum, Long Beach’s Museum of Latin American Art, and the Museo Reina Sofía in Madrid also have received art loans. Phelps de Cisneros is an active member of the International Council and the Latin American Acquisitions Committee of Tate, London; she is an International Trustee of the Fundación Amigos del Museo del Prado, Madrid; belongs to the Association Centre Pompidou América Latina; the Museum Berggruen’s International Council; and the American Friends of the Fondation Beyeler, among others.