Wittgenstein (disambiguation)
Princess (Fürstin) Carolyne von Sayn-Wittgenstein (Carolyne zu Sayn-Wittgenstein, or Marie zu Sayn-Wittgenstein) (1819–1887), Russian nobility, Franz Liszt's mistress and patron, and a close friend of Berlioz (She is not Marie Catherine Sophie de Flavigny, Comtesse (Gräfin) Marie d'Agoult, known by her pen name, "Daniel Stern")