Marie Cécile DONNIER (XIX), "Portrait présumé de la princesse de Pologne Anna Zofia Czartoryska née Sapieha", oil on canvas, signed lower left and dated 1864, bears a label no. 22 next to the signature. H: 131.5 cm, W: 202 cm (wear and restoration) Emigrating after Poland's defeat by the Russian army in 1830, this great lady lived in the Hôtel Lambert, where she held a salon and became friends with Chopin. But her philanthropic work is best known for several charities, including the Daughters of Charity of Warsaw and the Institute for Young Polish Girls.