- 6 December 1914 - Birth, Chertsey, Surrey
- 14 February 1915 - Baptism, Surrey, England
- 19 October 1990 - Death, Walton-on-Thames, Surrey, England
- 17 January 1991 - Probate, London
- 1939 - Residence, Surrey, England
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| PARENT (M) Joseph William Emmanuel Mostyn | |||
| Birth | 7 October 1889 | Walton On Thames | |
| Death | January 1933 | Hambledon, Surrey, England | |
| Marriage | 26 December 1913 | to Effie Maud Halliday at Cranleigh, Surrey, England | |
| Father | Benjamin William Mostyn | ||
| Mother | Eliza Chowney | ||
| PARENT (F) Effie Maud Halliday | |||
| Birth | 27 February 1892 | Farnham, Surrey, England | |
| Death | 9 July 1972 | Surrey Northern, Surrey, England | |
| Marriage | 26 December 1913 | to Joseph William Emmanuel Mostyn at Cranleigh, Surrey, England | |
| Father | ? | ||
| Mother | ? | ||
| CHILDREN | |||
| M | Roy Mostyn | ||
| Birth | 6 December 1914 | Chertsey, Surrey | |
| Death | 19 October 1990 | Walton-on-Thames, Surrey, England | |
| Marriage | April 1940 | to Thelma Beatrice Bailey at Surrey North Western, Surrey, United Kingdom | |
| PARENT (M) Roy Mostyn | |||
| Birth | 6 December 1914 | Chertsey, Surrey | |
| Death | 19 October 1990 | Walton-on-Thames, Surrey, England | |
| Marriage | April 1940 | to Thelma Beatrice Bailey at Surrey North Western, Surrey, United Kingdom | |
| Father | Joseph William Emmanuel Mostyn | ||
| Mother | Effie Maud Halliday | ||
| PARENT (F) Thelma Beatrice Bailey | |||
| Birth | 19 January 1916 | ||
| Death | 25 July 2004 | Surrey Northern, Surrey, England | |
| Marriage | April 1940 | to Roy Mostyn at Surrey North Western, Surrey, United Kingdom | |
| Father | ? | ||
| Mother | ? | ||
| CHILDREN | |||
| [S995966854] | Surrey, England, Church of England Baptisms, 1813-1917 (Surrey History Centre; Woking, Surrey, England; Surrey Church of England Parish Registers) |
| [S983070281] | 1939 England and Wales Register (The National Archives; Kew, London, England; 1939 Register; Reference: RG 101/1923A) |
1 Roy Mostyn b: 6 December 1914 d: 19 October 1990
+ Thelma Beatrice Bailey b: 19 January 1916 d: 25 July 2004