Elizabeth Jones married Lt.-Col. Charles Beauclerk, son of Lord William Beauclerk and Charlotte Werden.1 She died on 5 December 1768.1 Her married name became Beauclerk.1 Child of Elizabeth Jones and Lt.-Col. Charles Beauclerk George Beauclerk, 4th Duke of Saint Albans1 b. 5 Dec 1758, d. 10 Feb 17
Taken from the peerage.com  Elizabeth Jones1 F, #11645, d. 5 December 1768 Last Edited=16 Oct 2016 87 Citations [S37] BP2003 volume 3, page 3460. See link for full details for this source. Hereinafter cited as. [S37] Mosley, Charles, editor. Burke's Peerage, Baronetage & Knightage, 107th edition, 3 volumes. Wilmington, Delaware, U.S.A.: Burke's Peerage (Genealogical Books) Ltd, 2003.
This may be her but further research is needed
Name: ... ... Birth Date: Birthplace: Age: Spouse's Name: Elizabeth Jones Spouse's Birth Date: Spouse's Birthplace: Spouse's Age: Event Date: 14 Sep 1736 Event Place: Westminster, Middlesex, England Indexing Project (Batch) Number: I01010-9 System Origin: England-EASy GS Film number: 814101 Reference ID: v 74 p 110
Citing this Record: "England Marriages, 1538–1973 ," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:NJXS-VYJ : 10 February 2018), ... ... and Elizabeth Jones, 14 Sep 1736; citing Westminster, Middlesex, England, reference v 74 p 110, index based upon data collected by the Genealogical Society of Utah, Salt Lake City; FHL microfilm 814,101.
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Elizabeth is 17 degrees from Charlotte Brontë, 17 degrees from Louisa May Alcott, 29 degrees from Victoria Benedictsson, 17 degrees from Rosalind Nield, 14 degrees from Elizabeth Gaskell, 19 degrees from Amy de Leeuw, 11 degrees from Harriet Arbuthnot, 13 degrees from Aurore Dupin de Francueil, 26 degrees from Isabella Crawford and 21 degrees from Barry Smith on our single family tree. Login to find your connection.