Biography
Joan Marion Nevill was born 16 July 1877 to Henry Gilbert Ralph Nevill, 3rd Marquess of Abergavenny (1854-1938) and Violet Streatfeild (1855-1880) and died 4 July 1952 of unspecified causes. She married John Charles Pratt, 4th Marquess Camden (1872-1943) 2 June 1898 in St. Alban's Church, Frant, Sussex, England, United Kingdom.
Children
| Name | Birth | Death | Joined with |
| John Charles Henry Pratt, 5th Marquess Camden (1899-1983) | 12 April 1899 | 22 March 1983 | Marjorie Minna Jenkins (1900-1989) Averil Streatfeild (1911-1977) Cecil Rosemary Pawle (1921-2004) |
| Irene Helen Pratt (1906-1976) | |||
| Fiona Pratt (1911-1985) | |||
| Roderic Arthur Neville Pratt (1915-1997) | |||
Footnotes (including sources)
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