I once read a short story about a " THEODOSIA" by James A. Rogers from South Carolina. It was in the SC history section of the library.
This is said to be a true story about Theodosia Burr Alston who was the wife of Joseph Alston( they married Feb 2, 1801)and the daughter of Aaron Burr.
Was she somehow related to your Theodosia Alston?
I am not related to these people, but thought I would see if you were.
Susan