Katherine Elizabeth Keyes (1911-1996) (1911–1996) Parents Eva Mary Salvin Bowlby Roger Keyes, 1st Baron Keyes Children Mary Wallop William-Powlett Barton Roger Wallop William-Powlett Siblings Geoffrey Charles Tasker Keyes Roger George Bowlby Keyes Elizabeth Mary Keyes Diana Margaret Keyes Partners Peter de Barton Vernon Wallop William-Powlett