- Longford, Baron of Longford
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10th Lord, co. Wilts (William) b. 5 Jan 1955
1st Lord, co. Wilts (Jacob) b. 14 Oct 1694, d. 17 Feb 1761
2nd Lord, co. Wilts (William) b. 26 Feb 1725, d. 28 Jan 1776
3rd Lord, co. Wilts (Jacob) b. 4 Mar 1750, d. 27 Jan 1828
4th Lord, co. Berks (William) b. 11 May 1779, d. 9 Apr 18695th Lord, co. Wilts (Jacob) b. 18 Sep 1815, d. 11 Mar 18896th Lord, co. Wilts (William) b. 19 Jun 1841, d. 3 Jun 19007th Lord, co. Wilts (Jacob) b. 8 Jul 1868, d. 26 Jun 19308th Lord, co. Wilts (William) b. 18 Dec 1895, d. 23 Nov 19689th Lord, co. Wilts (Jacob) b. 10 Nov 1927, d. 11 Aug 2008 - Longford
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Baroness (Catherine) d. 12 Mar 1816Baroness (Elizabeth) b. 26 Jul 1719, d. 27 Jan 1794Catherine Jane b. 1960
Countess of (Elizabeth) b. c 1906, d. 23 Oct 2002
Countess of (Georgiana Emma Charlotte) d. 12 Feb 1880Countess of (Mary Julia) b. 26 May 1877, d. 21 Nov 1933Countess of (Selina) b. 11 Sep 1836, d. 22 Jan 1918Countess of (Valerie Susan) b. 13 Nov 1939, d. 22 Jan 2023Jennifer Mary b. 4 Oct 1929, d. 2012Maud d. 14 Jun 1596Michael Desmond b. 30 May 1928, d. 2005Philip Michael b. 1962Ruth Margaret b. 1957Viscount (Christopher) b. 1669William Ulic Desmond d. 10 Feb 1960 - Longhurst
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Diana b. 5 May 1948John Chichester d. 24 Dec 1957Kathleen Marguerite b. 6 Apr 1898, d. 1944Valerie Blanche b. 1908
- Longland
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Jeremy Angus b. 20 Sep 1963Miles Patrick b. 7 Apr 1961Shireen Mary b. 10 Apr 1931
- Longley
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Anne Mary Theodosia b. 25 Mar 1959Caroline Georgina d. 30 Oct 1867Caroline Sophia d. 9 Mar 1858Charles Thomas b. 28 Jul 1794, d. 27 Oct 1868Evelyn d. 4 Mar 1956Henry b. 28 Nov 1833, d. 25 Dec 1899Joanna Evelyn Clare b. 30 Nov 1960Josephine Julia b. c 1840, d. 1925Louisa Katherine b. 22 May 1871, d. 5 Aug 1940Mary Anastasia d. 13 Apr 1962Mary Henrietta d. 22 Aug 1906Melissa Frances Rose b. 27 Oct 1963Rosamond Esther Harriet d. 4 Apr 1936Sylvia Margaret b. 2 Jul 1926
- Longley-Cook
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Amy Claire b. 29 Sep 1990Dorothy Ann b. 24 Jun 1993Isobel Amanda b. 25 Aug 1960
- Longman
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Alice Mary b. 1852Anna Frances b. 2 Aug 1963Caroline Elizabeth b. 24 Dec 1951Charles James b. 1852, d. 1934Edward Ian Armstrong b. 1997Elizabeth Ann b. 1804Elizabeth Margaret d. 1977Elizabeth Mary b. 16 Oct 1924, d. 8 Dec 2016Emma b. 14 Jan 1959Eveline Augusta b. 1854Fanny b. c 1815Fany Sarai b. 1850George Henry d. 19 Aug 1938George Roland b. 7 Mar 1969Georgiana d. 1890Harold John b. 4 Mar 1962Harriet d. 1938Helen Rosemary b. 12 Jan 1929Henry Kerr d. 1958Hubert, 1st Bt. d. 1940Jane b. 11 Jul 1955John Strongitharm b. 1853John Thomas b. c 1807, d. 1859Margaret Amy Armstrong b. 1994Marjorie d. 1958Mark Frederic Kerr b. 12 Nov 1916, d. 6 Sep 1972Mary Frances d. 17 Apr 1941Peter George b. 2 Aug 1965Rose Eleanor b. 22 Mar 1931Sybil b. 1885, d. 1964Thomas d. 1879Thomas Norton d. 1842William d. 1877
- Longmire
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Edward b. 26 Oct 1967Eleanor Jean b. 26 Dec 1933Marjorie d. 19 Sep 1963Rupert b. 28 Mar 1964
- Longmore
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Arthur Murray d. 10 Dec 1970
Carolyn Mary b. 26 Aug 1946Charles Moorsom d. 10 Jan 1933Christopher B. b. 1940Elizabeth B. b. c 1942Felicity Ann b. 21 Jul 1921Jane Alexander b. 4 Sep 1881, d. 27 Dec 1973Janet Maitland b. 14 May 1914, d. 20 Oct 2007Jean Mary b. 17 Jun 1919, d. 10 Dec 2009Jennifer Maitland b. 29 Jan 1953Marjorie b. 29 Jun 1884, d. 8 May 1959Nancy Catherine d. 19 Jul 2011Richard Maitland b. c 1915, d. 4 Oct 1943Robert b. 24 Jul 1925Thomas Robert William b. 24 Jul 1925Virginia Marjorie b. 17 Jan 1945William James Maitland d. 1988 - Longmore-Mavius
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Lilian Mary b. 11 Dec 1888, d. Sep 1978
- Longridge
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Alice Mary b. 25 Sep 1897Anna d. 24 Nov 1863Barbara d. 18 Jun 1818Elizabeth Selby b. 24 Aug 1824Emma Harriet Elizabeth b. 1852, d. 1924Katherine E. b. 1854Mary b. 1852Robert Berwick b. 16 Apr 1821Robert Charles b. 1850Rosemary Ann b. c 1943, d. 4 Feb 2010Theodore (Lt.-Col.) b. 20 Jul 1860, d. 1940Theodore Ernle b. 29 Jan 1894, d. 14 Jul 1979
- Longrigg
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Clare Selina b. 23 Aug 1963Frances Angelica b. 26 Mar 1961Jane Catherine b. 1929, d. 18 Nov 2016Laura Jane b. 21 Jun 1958Roger Erskine d. 26 Feb 2000
- Longsdale
- Longsdon
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Alfred Allen b. 1866, d. 1915Ellen Mary b. 1873, d. 1955Grant Allen b. 2 Jun 1915, d. 5 Nov 1942Marion b. 1908, d. 1973Merritt Jean d. 21 May 1976Merritt Jeane b. 1911, d. 1976Nancy b. 1902, d. 1997Robert Cecil b. 1900, d. 1989
- Longsdore
- Longshaw
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Mary b. 1794, d. 6 May 1862
- Longstaff
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Ann d. 1937Cedric Llewellyn d. 1 Mar 1950Diana Rosemary b. 24 Feb 1915Julia Rosemary b. 28 May 1968Katherine d. 5 Dec 1976Lilias Marrow b. 30 Sep 1880, d. 25 Apr 1942Mabel d. 24 Nov 1953Nigel Antony Onslow b. 6 Nov 1942Ursula d. 3 Feb 2000
- Longstaffe
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Alice Rose b. 1861Amyas Philip b. 1859Arthur George b. 1917Barry George b. 1939Claire b. 1939Clara Maria b. 7 Aug 1835, d. 1917Craig b. 1971Darryl James b. 1972David b. 1962Dean Nicholas b. 1966Deborah Ann b. 1960Estelle A. b. 1947Gavin b. 1947George Robert b. 1879, d. 18 Nov 1953James William b. 1911Janey d. 15 Apr 1942Jeanette Elizabeth Eileen b. 1939John Lawrence b. 1834, d. 1925Joseph S. d. 9 Jun 1910Letitia Margaret Jane Bates b. 1911Margaret b. 1914, d. 1981Michael b. 1965Robert Shaw b. 1909Robin b. 1933