Juliet Pierpont (1816-1884) (1816–1884) Parents Mary Sheldon Lord John Pierpont Children Sarah Spencer Morgan J. P. Morgan Junius Spencer Morgan Jr. Mary Lyman Morgan Juliet Pierpont Morgan Siblings William Alston Pierpont Mary Elizabeth Pierpont James Pierpont Caroline Augusta Pierpont John Pierpont Partners Junius Spencer Morgan