Jane was married in 1799 to Alexander John Gaspard Marcet (1770-1822), a political exile from Geneva, Switzerland who graduated from medical school at the University of Edinburgh as a physician in 1797.
The Marcets were part of a literary and scientific social circle that included many leading writers and scientists such as Mary Somerville,[REF] Henry Hallam, Harriet Martineau, Auguste Arthur de la Rive and Maria Edgeworth [REF].