His birth index:

First name(s)         Alan M
Last name             Boyd-Carpenter
Birth quarter         1
Birth year            1932
Mother's maiden name  Cowan
District              Devizes
County                Wiltshire
Country               England
Volume                5A
Page                  130
Record set            England & Wales Births 1837-2006


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Alan m. in 1956:

First name(s)       Alan M H
Last name           Boyd-Carpenter
Marriage quarter    2
Marriage year       1956
MarriageFinder      Alan M H Boyd-Carpenter married one of these people
                    Jennifer A Prestwich
Spouse's last name  Prestwich
District            Chelsea
County              London
Country             England
Volume              5C
Page number         383
Record set          England & Wales Marriages 1837-2005
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Alan M and Jennifer A had five children between 1957 and 1985:

Year   Forenames         District
1957   Katharine E A P   Hammersmith, London
1959   Caronline J       Hammersmith, London
1960   Hester P M        Hammersmith, London
1962   Jennifer A P      Hammersmith, London
1966   Patrick Michael   Hammersmith, London

Of these the fourth m. a Bryn Richardson and this has been included in the Boyd-Carpenter pages of The Peerage site with an informant who also passed on the 1954 death date of William Boyd-Carpenter who was born in 1869.
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Jennifer’s marriage iindex is:

First name(s)       Jennifer A P
Last name           Boyd-Carpenter
Marriage quarter    1
Marriage year       1985
Registration month  3
MarriageFinder      Jennifer A P Boyd-Carpenter married one of these people
                    Bryn M Richardson
Spouse's last name  Richardson
District            Hitchin
County              Hertfordshire
Country             England
Volume              10
Page number         373
Record set          England & Wales Marriages 1837-2005
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Jennifer A P and Bryn M had these children:

Year   Forenames            District
1985   Billy                Cambridge, Cambs
1986   Lucinda Victoria     Cambridge, Cambs
1990   George               Cambridge, Cambs
2002   Charles Alan         Cambridge, Cambs
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