3 of the children Percy, James and William are in the Parish records on this site

Name: Matilda Williams
Name: John Drew
Year of Registration: 1899
Quarter of Registration: Oct-Nov-Dec
District: Westbury On Severn
County: Gloucestershire
Volume: 6a
Page: 561

1901
John Drew abt 1877 Ruspidge, Gloucestershire, England Head East Dean, Gloucestershire
Matilda Drew abt 1879 Littledean, Gloucestershire, England Wife East Dean, Gloucestershire
Elizabeth Drew abt 1900 Cinderford, Gloucestershire, England Daughter East Dean, Gloucestershire

candidates for youngest children:-

Alfred W Drew 1922 Jul-Aug-Sep Williams Westbury On Severn Gloucestershire
Betty E Drew 1924 Jan-Feb-Mar Williams Westbury On Severn Gloucestershire
Dorothy K Drew 1914 Oct-Nov-Dec Williams Westbury On Severn Gloucestershire
Edith G M B Drew 1926 Oct-Nov-Dec Williams Westbury On Severn Gloucestershire
Frank Drew 1913 Jan-Feb-Mar Williams Westbury On Severn Gloucestershire
Joyce Drew 1922 Jul-Aug-Sep Williams Westbury On Severn Gloucestershire
Lilian Drew 1919 Apr-May-Jun Williams Westbury On Severn Gloucestershire
Stanley L Drew 1920 Apr-May-Jun Williams Westbury On Severn Gloucestershire
William F B Drew 1924 Oct-Nov-Dec Williams Westbury On Severn Gloucestershire

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Ἀριστοτέλης A Gloster & Hereford Boy in the Forest of Dean ><((((*>