Margaret Effie Sumner (1849-1921) (1849–1921) Parents Mary Sumner George Sumner Children Evelyn Mary Heywood Dorothy Alice Heywood Ella Mary Effie Heywood Arthur George Heywood Margaret Sophia Heywood Sir Graham Percival Heywood, 4th Bt. Muriel Annette Margaret Heywood Isabel Effie Heywood Cecil Heywood Guendolen Constance Heywood Siblings Louisa Sumner Heywood Sumner Partners Arthur Heywood