28. In the Afternoon went up to Mr. Robt. Alexanders in order to meet Mr. B. Fairfax & others a fox Huntg. None came this day but Captn. Posey.
Robert Alexander lived just north of Four Mile Run. He had inherited the house and 904 acres of land from his father, Gerard Alexander (will of Gerard Alexander, 9 Aug. 1760, Fairfax County Wills, Book B–1, 327–29, Vi Microfilm).