Lady Helen Maglona Vane-Tempest-Stewart (1911-1986) (1911–1986) Parents Charles Vane-Tempest-Stewart, 7th Marquess of Londonderry Edith Vane-Tempest-Stewart, Marchioness of Londonderry Children Camilla Edith Mairi Elizabeth Jessel Timothy Edward Jessel Joanne Margaret Jessel Siblings Dorothée Lewis Maureen Helen Stanley Robin Vane-Tempest-Stewart, 8th Marquess of Londonderry Margaret Vane-Tempest-Stewart Lady Mairi Vane-Tempest-Stewart Partners Dennis Cecil Whittington Walsh Edward Jessel, 2nd Baron Jessel
