one line of her husband's ancestry:
George Harry Grey, 5th Earl of Stamford, 1st Earl of Warrington (1 Oct 1737-28 May 1819); m.28 May 1763 Lady Henrietta Cavendish-Bentinck (d.4 Jun 1827)
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Lady Amelia Grey (1779-29 Oct 1849); m.18 Oct 1800 Sir John Lister-Kaye, Bt (d.28 Feb 1827)
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Sir John Lister-Kaye, 2nd Bt. (18 Aug 1801-13 Apr 1871); m.1st 21 Oct 1824 Matilda Arbuthnot (d.4 Apr 1867); m.2nd 10 Aug 1869 Elizabeth Margaret Bower
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Rosa Lister-Kaye, d.19 Jan 1925; m.7 Feb 1860 James Crosbie, of Ballyheigue (11 Dec 1832-5 Sep 1897)
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Rosa Marguerite Anna Crosbie, d.24 Jan 1941; m.10 Nov 1887 John Alan Bengough (14 Jul 1859-24 Nov 1899)
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Nigel James Bengough (4 Jan 1895-1980); m.4 Sep 1924 Alice Ernestine Albu, dau of Sir George Albu, Bt.
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Sir Piers Henry George Bengough (24 May 1929-18 Apr 2005); m.21 Jun 1952 Bridget Adams (d.18 Nov 2019)