Perhaps this is a possibility?

From Genes Reunited:-

Tom H ADAMS married Kate WEBB Q1 1914 Monmouth.

Herbert G. ADAMS, birth registered Q2 1915 Pontypridd. Mother’s maiden name WEBB.

From Glos BMD:-

Herbert Gwynn ADAMS married Gladys May BULLIMORE, Forest of Dean District, Monmouth Parish, Register Office, 1936. (Q2 from Genes Reunited).

From Genes Reunited:-

Joyce M. ADAMS birth registered Q2 1938 Forest of Dean District. Mother’s maiden name BULLIMORE.

Elizabeth M ADAMS, birth registered Q4 1947 Swindon District, Mother’s maiden name BULLIMORE.

Herbert Gwyn ADAMS death registered Q4 1986 Swindon District, Aged 71, birth 31/03/1915.

There is a possible second marriage:-

Herbert G. ADAMS married Winifred M. MILES (or RUMMING) Q4 1951 Swindon District.