English
Mitchison, Baron Mitchison Gilbert Richard CBE
1890 - 1970 (79 years) 
| First Cousins | |
|---|---|
| 1 | Mitchison, Herbert Guy Sturges
b. 28 Oct 1877, Tong, , Yorkshire, England  d. 10 Oct 1946, , , Isle of Wight, England |
| 2 | Mitchison, Richard Stovin
b. Oct-Dec 1881, Barby, , Northamptonshire, England d. Yes, date unknown |
| 3 | Mitchison, Mary Georgetta
b. Jan-Mar 1883, Barby, , Northamptonshire, England d. Yes, date unknown |
| 4 | Mitchison, Ralph Anthony Sturges
b. Jul-Aug 1883, Lightcliffe, , Yorkshire, England d. Yes, date unknown |
| Third Cousins | |
|---|---|
| 1 | Thomas, George Gore
b. 14 Mar 1880, Chicago, Cook, Illinois, USA d. Yes, date unknown |
| 2 | Howson, John Dealtry
b. Jan-Mar 1881, District Ellesmere d. Jan-Mar 1881, District Ellesmere |
| 3 | Howson, Roger Saul
b. Jul-Sep 1882, Overton, , Flint, Wales d. Yes, date unknown |
| 4 | Howson, Geoffrey
b. Oct-Dec 1883, Overton, , Flint, Wales d. Oct-Dec 1961, District Pwllheli |
| 5 | Thomas, Frederick Melville
b. 30 Dec 1883, Chicago, Cook, Illinois, USA d. 31 Dec 1883, Chicago, Cook, Illinois, USA |
| 6 | Thomas, Anita Dorothy
b. 1 Nov 1884, , , Illinois, USA d. 1 Nov 1884, , , Illinois, USA |
| 7 | Howson, Joan
b. Jul-Sep 1885, Overton, , Flint, Wales d. 10 Jun 1964, District Pwllheli |
| 8 | Howson, George
b. Oct-Dec 1886, Overton, , Flint, Wales d. Est 1936 |
| 9 | Groome, Marie Wentworth
b. Jul-Sep 1888, District Stockbridge d. 25 Jun 1936, District Worthing |
| 10 | Denne, Ela Denne
b. Jul-Sep 1890, Hawley, , Hampshire, England d. Yes, date unknown |
| 11 | Groome, Captain Charles Phillips
b. Apr-Jun 1891, District Stockbridge d. 3 Mar 1937, District Winchester |
| 12 | Mitchell, Kate Elsie
b. 10 Jun 1892, 16 Pembroke Gardens, Kensington, London, , England d. 5 Dec 1952, 68 Linside Avenue, Oxford, , Oxfordshire, England |
| 13 | Denne, Mary Denne
b. 30 Nov 1893, India d. Yes, date unknown |
| 14 | Dealtry, Philip
b. Jan-Mar 1898, Teddington, , Middlesex, England d. Jan-Mar 1924, District Richmond Surrey |
| 15 | Denne, Major Victor Alexander Henry Denne
b. 9 Dec 1899, District Tunbridge Wells d. Jan-Mar 1977, District Stroud |
| 16 | Dealtry, Gerald Percy
b. 14 Dec 1900, Teddington, , Middlesex, England d. 10 Oct 1993, District Sudbury |
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