Original: There is manuscript evidence that Austen continued to work on these pieces as late as the period 1809 â "11, and that her niece and nephew, Anna and James Edward Austen, made further additions as late as 1814.
Simplified: There is some proof that Austen continued to work on these pieces later in life. Her nephew and niece, James Edward and Anna Austen, may have made further additions to her work in around 1814.