Mary Cowper Powys (1849-1914) (1849–1914) Parents Marianne Patterson William Cowper Johnson Children Lucy Amelia Penny Llewelyn Powys T. F. Powys William Ernest Powys Emily Marian Powys Philippa Powys Eleanor Powys Littleton Charles Powys Albert Reginald Powys Gertrude Mary Powys John Cowper Powys Siblings Gertrude Johnson Henrietta Cowper Johnson Maria Theodora Johnson Partners Charles Francis Powys