Two of Nancy's four children are writers. Kate Lynch is working on several manuscripts for the children’s and YA markets. India Wood has finished the manuscript of her memoir, The Dinosaur's Daughter.
Nancy's second husband was Myron Wood, whose photos appeared in several of Nancy's books. Myron's daughter from his first marriage, Margaret Wood, has written two books about her years as Georgia O’Keeffe’s caregiver: A Painter’s Kitchen and Remembering Miss O’Keeffe.