Winifred Mostyn (died 1898) (d. 1898) Parents Constantia Slaughter Sir Edward Mostyn, 7th Baronet Children Siblings Agnes Mostyn Catherine Mostyn Roger Joseph Mostyn Mary Pauline Mostyn Teresa Mostyn Edward Mostyn William Mostyn Sir Pyers Mostyn, 8th Baronet Llewelyn Mostyn Frances Mostyn Barbara Mostyn Partners William Simpson