VIENNA | Adolf Hitler had “Jewish blood”: these remarks by Russian Foreign Minister Sergei Lavrov refer to rumors born before the Second World War because of the mysterious identity of the Nazi dictator’s grandfather. • Read also: Israel slams Lavrov’s comments about Hitler His father Alois was “an illegitimate child and his parent was unknown”, explains to AFP the Austrian historian Roman Sandgruber, author last year of the first biography of the patriarch, born in 1837 and died in 1903 when Hitler was 14 years. It was in the 1920s, at the time of the rise of the founder of...