Nothing else is known about Dolly. None of her descendants, if she had any, applied for enrollment as Cherokees.
Ms. Cassstevens states that William Randolph did purchase several items from the Red Store in Huntsville NC on 29 Aug 1825. He doesn't appear after that date.
Frances H. Casstevens, The Poindexter Family: Ancestry and Descendants of Thomas Poindexter of Surry (Yadkin) County, North Carolina (Yadkinville, North Carolina: Self-published, looseleaf, 1992). p. 132
An Index of Goochland Wills. Notes on the French-Huguenot Refugees who lived in Manakin-Town. (Genealogical Publishing Co., Inc. Baltimore Reprinted 1985; Original, 1928. c1966)