Constantine Dobrowolski was reportedly a Nazi spy known as the ‘butcher’, according to German archives

Blaise Metreweli’s grandfather was Hitler’s chief informant in Chernihiv who boasted of killing Jews, according to a report

Constantine Dobrowolski was reportedly a Nazi spy known as the ‘butcher’, according to German archives

Blaise Metreweli "neither knew nor met" her grandfather, reportedly a chief Nazi informant during World War Two.