| Name | Full Name | Sylvia U. BLACKNELLi |
| Forename | Sylvia U. | |
| Surname | BLACKNELL | |
| Sex | Female | |
| Birth | 1924i | |
| Death | 1991i | |
| Parents | Frank BLACKNELL x Freda Amelia LEIGHTON [Family] | |
| Spouse | Herbert V. DAVIES [Family] | |
| Children | 1. Derek DAVIES b. 1950 2. Janet DAVIES b. 1952 | |
| Change Date | Date | 10 Jun 2011 |
| Time | 15:29 | |
Sylvia U. BLACKNELLi, daughter of Frank BLACKNELL and Freda Amelia LEIGHTON [Family], was born in 1924i. Sylvia died in 1991i aged about 67. One son and one daughter listed. |
| i | Derek DAVIESii was born in 1950 in Holywell, Flintshire, Wales. | |||
| ii | Janet DAVIESii was born in 1952 in Holywell, Flintshire, Wales. |
i. Interview by Paul Blacknell 26/12/2004; not recorded; Page Iola Hughes; [Source Record]; Certainty Primary Evidence
ii. Letter to Paul Blacknell 10/6/2004; [Source Record]