Her father, John, was the actor known as "Gentleman Palmer" and her mother was Hannah Mary Pritchard.
Her father's career as an actor was overshadowed by another John Palmer who was no relation whilst his mother had been an actress but her own mother, and Palmer's grandmother, was the more well known Hannah Pritchard.
Moreover, Gifford claimed that he had been given three pounds as a bribe to give a good review.
[1] Her next book was published in 1811 and her final work was a biography about John Sobieski.
It was called Authentic Memoirs of the Life of John Sobieski, King of Poland and it was published in 1815.