After the war started in Europe , he and his mother , Anna , were deported by the Nazis to Riga , Latvia .
Europe
Riga
/location/location/contains
Riga
Latvia
/location/administrative_division/country
Europe
Latvia
/location/location/contains
Latvia
Riga
/location/country/administrative_divisions
Latvia
Riga
/location/country/capital
Latvia
Riga
/location/location/contains
LOCATION
Europe
PERSON
Anna
LOCATION
Riga
LOCATION
Latvia