Rothschild Trilogy Series by Carola Dunn

'Improper and impious!' her family cried, but in a most unladylike fashion, Miriam Jacobson defied her parents. Finding the thought of marriage stupefying, she rejected the eminently suitable bridegroom they had selected. Instead, she chose adventure, traveling the Continent and assisting her physician's uncle in his labors.Following the good doctor's death and the outbreak of war, Miriam decides her time for adventure is over... more'Improper and impious!' her family cried, but in a most unladylike fashion, Miriam Jacobson defied her parents. Finding the thought of marriage stupefying, she rejected the eminently suitable bridegroom they had selected. Instead, she chose adventure, traveling the Continent and assisting her physician's uncle in his labors.Following the good doctor's death and the outbreak of war, Miriam decides her time for adventure is over. To secure passage to England, she accepts a patriotic mission from the banking family, Rothschild, though it means enduring a lengthy journey through France and Spain in the company of two insufferable gentlemen--one an intolerant aristocrat and the second a member of her own faith who seems to harbor a personal grudge against her, and is somehow disturbingly familiar... less

Lord Roworth, now working as an agent for Jacob Rothschild, finds himself in Brussels on the eve of Waterloo. He's sharing lodgings with a penniless soldier, Frank Ingram, and his pretty sister Fanny, not to mention their orphaned fosterling, Anita. When Frank is badly injured in battle, Roworth is torn between his duty to Rothschild and an urgent need to help Fanny get her brother back to safety in England.

Despite their different backgrounds, Lady Constantia Roworth loses her heart to Captain Frank Ingram, recuperating from his wounds at her father's estate, and is delighted when a surprise inheritance transforms the penniless soldier into an acceptable suitor. Original.

Frank Ingram, an impecunious officer, is seriously wounded at Waterloo. Rescued by Lord Roworth, he meets Roworth’s sister, Lady Constantia, an angel of mercy. But Frank and Connie are each hiding a terrible secret they are sure will prevent marriage to anyone, let alone each other. Rothschild trilogy #3. Regency Romance by Carola Dunn; originally published by Zebra as The Captain’s Inheritance