Mary Peto (died 1876) (1832–1876) Parents Samuel Morton Peto Mary Grissell Children Siblings Ann Peto William Herbert Peto Ellen Edith Peto Emily Lydia Peto Sarah Maude Peto Harold Peto Basil Peto Frank Kelsall Peto Morton Kelsall Peto Samuel Arthur Peto Sir Henry Peto, 2nd Baronet unknown daughter Peto Helen Agnes Peto