... Dr. [Rev.] William L. Breckinridge, the father of Mary and Dr. Stanhope, was one of the distinguished sons of Hon. John Breckinridge, the attorney general. His wife was a Miss Prevost, whose father, Judge Prevost, was the son of Mrs. Aaron Burr, by her first husband - a British officer. Mrs. Breckinridge's mother was a daughter of Dr. Samuel Stanhope Smith, the able and learned president of Princeton College. ...