Sir Osbert L'Estrange Mordaunt, 11th Bt. (1884-1934) (1884–1934) Parents Sir Charles Mordaunt, 10th Baronet Mary Louisa Cholmondeley Children Siblings Irene Mordaunt Winifred Mordaunt Cicely Mordaunt Lilian Mordaunt Violet Mordaunt Adela Mordaunt