Adeline (Fowle) de La Valette (1799-1869)
Mrs Adeline (Fowle) Welles, afterwards the Marquise de La Valette
She was described in the 1860s as, "a very remarkable woman even now, and it is said that during her first husband's lifetime (the eminent banker Samuel Welles of Welles & Co., Paris) it was to her he owed the suggestions that enabled him to make some of his most successful financial combinations".