The ill-fated mountaineer George Mallory's only book was "Boswell the Biographer"?
Johanne Sophie HerreBorn 1706
A commoner, she secretly married Wilhelm Gustav von Anhalt-Dessau (1699-1737) in 1726. Her husband was the first-born son of Leopold I of Anhalt-Dessau, but as a consequence of this marriage, his father was succeeded as monarch of Anhalt-Dessau not by Wilhelm, but by Wilhelm's younger brother, Leopold Maximillian (1700-1751). Only after Wilhelm's death in 1737 was his widow and their children granted the titles of Counts and Countesses of Anhalt.
One of her sons was Friedrich, Count of Anhalt.
Life with Boswell:
Boswell waited on her, and was apparantely introduced to her and her three daughters, at Dessau on September 25, 1764.