The ill-fated mountaineer George Mallory's only book was "Boswell the Biographer"?
Elisabeth Agnès Jacoba de Nassau La-LecqBorn Aug 29, 1724
Died Jun 17, 1798
Daughter of Willem Hendrik van Nassau La-Lecq (d. 1762), and Adriana Jacoba Noiret (1699-1724). Married (1749) to Alexander Sweder.
Life with Boswell:
Boswell visited Baron and Madame Spaen at the Hague on December 20, 1763. He recorded a part of their dinner conversation, available in Boswell in Holland 1763-64. Boswell corresponded with her regularly until 1773.