|SOME NOTES ON MEDIEVAL ENGLISH GENEALOGY|
Volume 1, pages 347, 348 (as modified by volume 14):
He [Hugh Audley (d. 1325 or 1325/6)] m., before 7 Jan. 1293, and probably in 1288, Isolt, widow of Sir Walter DE BALUN, of Much Marcle, co. Hereford (who was living and m. to her in 1286/7), da. of Sir Edmund DE MORTIMER, 1st LORD MORTIMER,(e) of Wigmore, co. Hereford, by (----). She brought him the manors of Eastington, co. Gloucester, and of Thornbury, co. Hereford.
Her father, Edmund de Mortimer of Wigmore, by charter, undated, gave to her and Walter de Balun, her husband, the manor of Arley, co. Stafford, for life. (Addit. MSS., no. 5485, f. 160). On 12 Apr. 1326, she (again) had livery of this manor. (Close Roll, 19 Edw. II, m. 8). (ex inform. G.W. Watson). V.G. The mother of Isolt must be an earlier wife of Edmund Mortimer than Margaret de Fiennes, since Isolt married Hugh, Lord Audley circa 1288 and Margaret married Edmund in 1285 (see post, vol. ix, p. 283, note (m)). [Ex inform. Lindsay L. Brook.]
Unfortunately the reference apparently given as the authority for Isolt's parentage (Addit. MS. 5485, f. 160), is incorrect, so it is not possible to check whether it provides explicit evidence that Isolt was Edmund's daughter.
Douglas Richardson, in January 2002, commented on the statement above that Isolt brought Eastington in Gloucestershire and Thornbury in Herefordshire to the Audleys. Concerning Thornbury, this seems to be an error, as the Audleys held Thornbury in Gloucestershire, whereas the Mortimers held Thornbury in Herefordshire. The account does not specify in what fashion Isolt brought Eastington, but it had previously been held by the Baluns, so she brought it as dower from her first marriage, not as a marriage-portion from her own family.
[This question was discussed by Douglas Richardson, Cris Nash and John P. Ravilious. Vickie Elam White commented further on Eastington and Thornbury.]