12 November 2016 Image Klara Polak-Nathans with her children Redactie Joods Monument Share Facebook E-mail download Klara Polak-Nathans with her children. On Klara's lap the twin Betsy Aaltje (Bep) and Carolina Bertha (Lineke). Left from her, her daughter Bettje (Betty) and on the right her son Simon, who later would fall in the first days of May 1940 in the battle at the Grebbeberg. Photo April 1919. With: Klara Polak-Nathans, Bettje de Lieme-Polak, Simon Polak, Betsy Aaltje Polak About Klara Polak-Nathans, Bettje de Lieme-Polak, Simon Polak, Betsy Aaltje Polak