Mary Teresa Mostyn (died 1977) (d. 1977) Parents Mary Cecily Talbot Edward Mostyn Children Mary Cecily Edith Teresa Dalrymple-Hay Sarah Anne Fletcher Siblings Joseph Edward Hubert Mostyn Rt. Rev. Joseph John Reginald Henry Mostyn Mary Clare Mostyn Mary Anastasia Elizabeth Mostyn Mary Margaret Mostyn Joseph Philip David Mostyn Joseph Cecil Mary Mostyn Mary Philomena Mostyn Partners Charles Hugh Fletcher Christopher Montague Vernon Francis Dalrymple-Hay