I have not traced a marriage between Charles Brecht and Julia Barnett. They had a son George Charles Barnett Brecht.
I found 13 entries under Barnett-Brecht in Ancestry and I have set them out in a Timeline and added some other entries that appear under the name Brecht:
George Charles Barnett-Brecht
26.12.1909 George Charles Barnett-Brecht born
(parents Charles & Julia Brecht formerly Barnett)
Registered Stevenage
1933 married Ellen Washer
Registered West Ham
1939 entry in 1939 Register of England & Wales
86 Chelmsford Road, Walthamstowe
George C. Bretcht Milk Roundsman born 26.12.1909
Married/Single (see Note)
Note added “Barnett-Brecht”
Note: Wife p& 2 Children in City of London Hospital, Finsbury
Geoffrey A. Barnett-Brecht
1939 born 1939
(Parents George Charles B. Brecht and Ellen Washer)
Registered Finsbury
1961 married Elizabeth Skinner
Registered West Ham
June 1962 David A. Barnett-Brecht born
(Parents Geoffrey A. B. Brecht and Elizabeth Skinner)
Registered Hitchin
June 1975 Geoffrey A. Barnett-Brecht married Marlene A. Barnett-Brecht
(See Note below)
Registered Huntingdon
March 1986 Geoffrey A. Barnett-Brecht married Lorraine Parker
Registered Delyn, Clwyd
August 1986 Andrew John Barnett-Brecht born
(Parents Geoffrey A. B. Brecht and Lorraine Parker)
Registered Rhuddian
April 1988 Catherine Louise Barnett-Brecht born
(Parents Geoffrey A. B. Brecht and Lorraine Parker)
Registered Rhuddian
June 1995 Geoffrey A. Barnett-Brecht married Barbara M. Downer
Registered Stevenage
June 1999 Lorraine J. Barnett-Brecht married Gareth England
Registered Flintshire West, Clwyd
David A. Barnett-Brecht
March 1985 David A. Barnett-Brecht married Nicola J. Morrice
Registered Huntingdon
Sept 1985 Steven Andrew Brecht born
(Parents David A. B. Brecht and Nicola J. Morrice)
Registered Huntingdon
Dec 1988 Victoria Amy Brecht born
(Parents David A. B. Brecht and Nicola J. Morrice)
Registered Huntingdon
Note:
The marriage in June 1975 requires further investigation!
Colin Bower
8 March 2021