See also
1. Frederick Robert BUTTERWORTH, son of Frederick BUTTERWORTH (1906-1997) and Bessie Florence CLARK (1904-1989), was born on 30 December 1939 in Surrey N.E.1,2 He married on 27 September 1969 in Merton, London.3 He died on 21 March 2002 in St Georges Hospital, Tooting, London.2,4
| 1 | "GRO Birth Index: Frederick R Butterworth - Date of Registration: Jan Feb Mar 1940 Registration district: Surrey N E Registration county: Surrey,Kent Volume Number: 2a Page Number: 174". |
| 2 | "Information supplied by a family member". |
| 3 | "GRO Marriage Index: Frederick R Butterworth and Pamela J Blogg - Date of Registration: Jul-Aug-Sep 1969 Registration district: Merton Registration county (inferred): Greater London Volume Number: 5d Page Number: 1050". |
| 4 | "GRO Death Index: Frederick Robert Butterworth - Death Registration Month/Year: Mar 2002 Age at death (estimated): 62 Registration district: Wandsworth Inferred County: London Register number: E83A District and Subdistrict: 2561E Entry number: 227". |