[1] Peacocke was born Margaret Ruth Bennett in Reading, Berkshire to Joan Esther, née Spink (1901–1983) and (Harry) Rodney Bennett (1890–1948), a children's author and lyricist.
She had an elder sister Anne (b.1926) and younger brother, the composer Richard Rodney Bennett (1936–2012), with whom she collaborated on a number of vocal and choral works, starting in the 1980s.
[2][3] She grew up in South Devon and she studied English at St Anne's College, Oxford.
In 1958, she married Gerald S. P. Peacocke, although they have since divorced.
This article about an English poet is a stub.