Mary Wontner Smith (1911-1967) (1911–1967) Parents Howard Wontner-Smith Lilian Lord Isitt Children David Martin Conradi Eleanor Ruth Conradi Siblings Dudley Wontner Wontner-Smith Diana Margaret Wontner Wontner-Smith Sidney Michael Wontner Wontner-Smith Clifton Wontner Wontner-Smith Graham Wontner Wontner-Smith Partners Eric Conradi