Lady Catharine Long 19th-century English religious writer and aristocrat (1797–1867) Parents Sophia Churchill Horatio Walpole, 2nd Earl of Orford Children Sophia Horatia Churchill Long Isabella Henrietta Theodora Long Mary Elizabeth Long Emma Sophia Long Catherine Beatrice Long Charlotte Long Henry Charles Dudley Long Florence Louisa Jane Long Siblings Horatio Walpole, 3rd Earl of Orford John Walpole Lady Georgiana Mary Walpole Charlotte Walpole Frederick Charles Walpole Ann Walpole Lady Sophia Anne Walpole Lady Maria Walpole Lady Harriet Walpole Partners Henry Lawes Long