On 20 September 2010, on the initiative of Rachel Dorn, Gunter Demnig laid two stumbling stones – for the sisters Flora and Emma Gärtner, who were murdered in Theresienstadt and Treblinka.

Flora was born on 18 March 1870 in Niederwerrn, Emma on 13 April 1872 in neighbouring Schweinfurt. Her father Abraham was a travelling salesman.

Abraham Gärtner was born on 8 March 1843 in Geroda near Bad Brückenau. On 21 November 1866 he married Recha Kohnstamm. Recha was born on 5 November 1843 in Niederwerrn. The couple had eleven children.

At the beginning of April 1890 Abraham und Recha moved to Nuremberg, to Rosenaustrasse 10. Flora and Emma remained single and looked after their parents, who lived to a ripe old age: Recha died on 17 October 1930 and Abraham on 1 May 1934.

On 10 September 1942 the two sisters were deported to Theresienstadt concentration camp. Flora was murdered in Theresienstadt on 19 April 1943. Emma was murdered in Treblinka concentration camp, after being transferred there on 29 September 1942.