Kathryn of Berain
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Mystery of the Nazi and the portrait of a Welsh lady

17 January 2014 Last updated at 20:37 GMT

A portrait of a 16th Century Welsh noblewoman is discovered to have once been part of the art collection of leading Nazi Hermann Goering.

The portrait of Kathryn of Berain has been held at National Museum Wales for years but now experts have discovered it was bought by Hitler's right hand man and founder of the Gestapo.

Tomos Dafydd reports.