Montgomery County records:
will of Robert Beall [son of Ninian] 1788 B:370 [didn't name wife]
inventory of Robert Beall 1788 by Hannah Beall and John Dent 8:386
probate records film 14231:
page 282, 1796, account of Robert Beall estate, by John Dent, surviving executor
page 271, 1793, Robert Beall estate by John Dent
page 92, Hannah Beall inventory, admin. Kinsey Beall, kin Basil Beall and Achsah Beall
D:391, final acct. of Hannah Beall by Kinsey Beall
deed X:286, recorded 1818, about settlement of James Beall's will--
names Rezin B. Offutt and his guardian Zephaniah Offutt. [James Beall was brother to Robert Beall, and Robert's family were heirs to James's wi11]
will of Sarah Offutt 1779 A:217, willed to nephews Middleton Beall son
of Robert, Josiah Beall son of Josias, James Offutt, George
Offutt, to nieces Valenda [Verlinda] Dent, Lucy Offutt, and
Betsey daughter of William Offutt. witnesses James Doull and
Alexander Offutt, executor George Offutt.
inventory of Sarah Offutt 1779 A:258, executor George Hamilton
Offutt, nearest of kin Verlinda Offutt and James Offutt,
recorded 1780.

I do not have copies of these records, and there are other records. Since Middleton Beall, Verlinda Dent, and Lucy Offutt were children of Robert Beall, I concluded that the only way that they could be nephew and nieces of Sarah Offutt was that one of Sarah's sisters married Robert Beall. Middleton Beall was still a minor at his father's death and several of the daughters were married, including Verlinda [m. John Dent] and Lucy [who married Zephaniah Offutt, had Rezin Beall Offutt, and was already deceased by the time of Robert's wi11]. So I thought that all of Robert's children had the same mother, who must be Sarah Offutt's sister Hannah.

Since Robert Beall's wife was Hannah, I was looking for the wife of the William Offutt, father of James, George H. and Betsey [hoping it would be Verlinda]. I think Sarah Offutt's inventory probably answers that.