Marge Piercy was born in Detroit, Michigan, the daughter of Robert Douglas and Bert Bernice Bunnin Piercy. Grant Courtade, her mother's son by a previous marriage, was fourteen years her senior and her only sibling. Piercy says that although the two children “grew out of the same mother, they never spoke real words since she turned twelve”. In spite of this fact, he was influential in her life. What Are Big Girls Made Of? (1997) contains poems about her half-brother, and she believes that it is he who gave her “a license / for the right of the body to joy”;.
Piercy's father repaired machinery for Westinghouse most of his adult life though he was laid off for a year and a half during the Depression. Born from …
Walker, Sue B.. "Marge Piercy". The Literary Encyclopedia. First published 07 July 2001
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