Jean-Etienne Liotard, Portrait of Caroline-Louise of Hesse-Darmstadt Previous Next Published May 30, 2016 at 2232 × 2237 in Out and About near Frankfurt Jean-Etienne Liotard (1702-1789), Portrait of Caroline-Louise of Hesse-Darmstadt, 1745-1746, pastel on vellum, Kunsthalle, Karlsruhe (detail)