Roan may have been John Roan, overseer of Claiborne’s, the Custis dower plantation in King William County.

Ariel was a thoroughbred black stallion from the famous Belair stables in Prince George’s County, Md. In 1762 he was standing at William Digges’s plantation (BELAIR STUD description begins Fairfax Harrison. The Belair Stud, 1747–1761. Richmond, Va., 1929. description ends , 56).

Henry Rozer or Rozier (born c.1725), of Prince George’s County, Md., lived at Notley Hall, nearly opposite Alexandria (BROWNE description begins Fairfax Harrison, ed. “With Braddock’s Army: Mrs. Browne’s Diary in Virginia and Maryland.” Virginia Magazine of History and Biography 32 (1924): 305–20. description ends , 309; BRUMBAUGH description begins Gaius Marcus Brumbaugh. Maryland Records: Colonial, Revolutionary, County and Church, from Original Sources. 2 vols. 1915 and 1928. Reprint. Baltimore, 1975. description ends , 1:85). The previous spring he had advertised in the Maryland Gazette: “young traveller, now in the Possession of Mr. Henry Rozer, in Prince-George’s County, Covers Mares at Two Guineas. He is Five Years old, full Sixteen Hands and an Inch high, was bred by Col. Tasker, got by Mr. Moreton’s traveller in Virginia, and came out of MISS COLVILL” (2 April 1761).