Did Lady Emma's father inherit money or estates from his aunt Lady Wilmot Bass? Or why did he add the "Bass" name?
Below is what I have on the Bass family, which is a bit more fleshed out than what is given in recent Burke's editions, sub Burton.
Michael Thomas Bass, of Rangemore (6 Jul 1799-29 Apr 1884); m.8 Dec 1835 Eliza Jane Arden (d.7 Aug 1897)
1.Sir Michael Arthur (12 Nov 1837-1 Feb 1808), cr Baronet 1882, with remainder, failing his own issue male, to his brother Hamar; cr 1886 Baron Burton of Rangemore and of Burton-on-Trent; cr 1897 Baron Burton of Burton-on-Trent and of Rangemore, this time with a remainder, failing his own issue male, to his daughter; he m.28 Oct 1869 Harriet Georgina Thornwill
1.1.Nellie Lisa, 2nd Baroness Burton of Burton-on-Trant and of Rangemore (27 Dec 1873-28 May 1962); m.1st 31 Jan 1894 James Evan Bruce Baillie of Dochfour (d.6 May 1931); m.2nd 25 Jul 1932 William Eugene Melles (d.20 Feb 1953); --> issue, Baillie, Lords Burton
2.Hamar Alfred, of Byrkley Lodge (30 Jul 1842-8 Apr 1898); m.22 Feb 1879 Hon. Louisa Bagot (22 Jul 1853-18 May 1942)
2.1.Sir William Arthur Hamar, 2nd Bt. (24 Dec 1879-28 Feb 1952); m.9 Jun 1903 Lady Wilmot Ida Noreen Hastings (5 Aug 1880-25 May 1949); her nephew took surname Hastings-Bass
2.2.Alexander Michael (10 Feb 1885-9 Mar 1891)
2.3.Sibell Lucia (28 Jun 1881- ); m.2 Jun 1900 Berkeley John Talbot Levett (11 Nov 1863- ), maternal gson of 7th Earl of Denbigh
3.Emily Frances Anne; m.30 Sep 1862 Sir William Chichele Plowden; her dau Margaret m. Lord Vaux of Harrowden
4.Alice Jane, d.26 Nov 1919 [27 Nov, per 1921 Burke’s, sub Bass]; m.21 Oct 1868 Sir George Chetwode, 6th Bt. (20 Jul 1823-28 Jun 1905)