Lady Mairi Vane-Tempest-Stewart Northern Irish politician, gardener, aviator, and philatelist (1921–2009) Parents Edith Vane-Tempest-Stewart, Marchioness of Londonderry Charles Vane-Tempest-Stewart, 7th Marquess of Londonderry Children Rose Keppel Elizabeth Keppel Siblings Lady Helen Maglona Vane-Tempest-Stewart Maureen Helen Stanley Robin Vane-Tempest-Stewart, 8th Marquess of Londonderry Margaret Vane-Tempest-Stewart Dorothée Lewis Partners Derek Keppel, Viscount Bury
