Margaretha Clara Françoise Mackay (born 1909) (b. 1909) Parents Constantijn Willem Ferdinand Mackay Jonkvrouwe Petronella Adamina Húufft Children Petronella Adamina Couvée Jean Pierre Henri Couvée Agnès Madeleine Adélaide Couvée Siblings Adelaide Cornelie Mackay Jacqueline Jeannette Mackay Henrietta Margaretha Mackay Partners Henri Jean Louis André Couvée