No next of kin

Doris Miles Disney (December 22, 1907 – March 9, 1976) was an American mystery writer. She wrote 47 novels, many of which were best sellers; several were made into feature films or TV movies. In 14 of her writing years Disney published two novels, and the Times noted that "Since 1945, one or more of her books has been published each year." Her last novel was published posthumously. [source](