Marguerite Kathleen Courtenay noblewoman; (1911-2003) (1911–2003) Parents Frederick Courtenay Marguerite Silva Children Marguerite Susan Birnie Angela Patricia Jane Birnie Siblings Lady Camilla Gabrielle Courtenay Mary Elizabeth Courtenay Charles Courtenay, 17th Earl of Devon Evelyn Courtenay Henry John Baldwin Courtenay Angela Leslie Courtenay