Madame Klossowki, Loulou de la Falaise - ex-wife of Thadée Klossowski de Rola, the youngest son of Balthus
Erich Klossowski or Kłossowski (December 19, 1875 – January 23, 1949) was a German and Polish-French art historian and a painter, now primarily known as the father of the writer-philosopher- painter and actor Pierre Klossowski and the artist Balthus.