Lydia Frederika Loudon (1936-2025) (1936–2025) Parents Margarethe Katharine Osieck James Willem Loudon Children Alexander Dudley Stewart-Clark Zarina Gabrielle Stewart-Clark Nadia Marie Anne Stewart-Clark Daphne Beatrix Felicia Stewart-Clark Siblings James Alexander Loudon James Theodore Loudon Ronald Henry Loudon Eugenie Mary Loudon Erik Hugo Loudon Margaretha Eugénie Adrienne Loudon Partners Jack Stewart-Clark