New York’s highest court is weighing whether New York is an appropriate forum for a lawsuit regarding an Edgar Degas painting looted by the Nazis in the 1930s after two lower courts found that it was not, noting that the case involves complex questions of European law and an ongoing, parallel proceeding in Switzerland.

The painting, “Danseuses,” was stolen from Margaret Kainer, who spent the war as a refugee in Switzerland and died without a will in France in 1968.