Stolen painting of Amsterdam Jewish family hung in Hitler’s home: ‘I don’t necessarily want it on my wall at home’

In Adolf Hitler's Führer residence hung a painting that belonged to the Amsterdam family Nijkerk. For generations, that was unknown – until professor Diederik Oostdijk reconstructed its provenance for his book Overlevingskunst. ‘My grandfather never uttered a word about it,’ grandson Willem (56) says.