Esther Black Elk DeSersa and Olivia Black Elk Pourier are the granddaughters of Nicholas Black Elk. Aaron DeSersa Jr. and Clifton DeSersa are the great-grandsons of Black Elk. Hilda Neihardt is the daughter of John G. Neihardt and chairman of the board of the John G. Neihardt Foundation. She is the author of Black Elk and Flaming Rainbow (Nebraska 1995). Lori Utecht is a former executive director of the John G. Neihardt State Historic Site. Charles Trimble is the current executive director of the site and president of the John G. Neihardt Foundation.