Luisa, the Marchesa Casati Stampa di Soncino was an eccentric Italian heiress, muse, and patroness of the arts in early 20th century Europe.

" She was the most flamboyant and dramatic character to flit through the early 20th century European beau monde.  They simply don't make her kind anymore: richer than God, gloriously semi-sane, with outrageous tastes in friends, art, decor, clothes, houses, pets ..."