Her parents were called Otto Emile Plath and Aurelia Schober Plath . Otto Plath was buried in Winthrop Cemetery ; visiting her father 's grave prompted Plath to write the poem Electra on Azalea Path . After her husband 's death , Aurelia Plath moved her children and her parents to 26 Elmwood Road , Wellesley , Massachusetts in 1942 .