I am not researching the people, but thought this might be information to members of the Chew family.
From the booklet "Western Maryland Genealogy," Vol. 2, #4, Oct. 1986 - Frederick County Wills: Book A1 - Miriam Richardson of Frederick Co., Will dtd. 22 Jan. 1767.To Sarah Thomas, wife of Richard Thomas: negroes Arthur and Jack, on their paying 15 pounds to her brother William Coale.To my late husband's sister Sarah Pearpoint: negroes Isaac and Jane and their increase, they paying 20 pounds to William Coale.To late husband's sister Elizabeth Burkett: negro Tom, son of Jane.To Miriam Richardson: negro Lucy, which she now has.To Mary Richardson: negro girl Rachel.To grandson Samuel Lloyd Chew: 916a, being part of a tract I bought from Thomas Snowden on Seneca (Creek); also negroes Pearsy, Reason, and Carry: also all stock that belongs to my Seneca Quarters, corn, tools; to take possession of all when his mother thinks proper.To grandson John Croley Chew: the tract I live on of 700a with house and plantation and negro Viney; to take possession whe(n) his mother thinks proper.To granddaughters Henrietta Miriam Chew and Elizabeth Chew: remainder of personal estate.To Miriam Walter: 100a of same tract I gave Samuel Loyd Chew, as Richard Thomas shall think convenient to her and heirs lawfully begotten of her body (entailed) and if she dies without such heirs, then the 100a to Samll. Chew.Son-in-law Samuel Chew.Wit: John Clark, Samuel Thomas, Samuel Musgrove.Proved 26 Feb 1767 by 3 wit. (pp. 282-4)."