Hendrika Polakwas born on 9 July 1878 in Rotterdam as the fourth of the six children of Jacobus Polak and Vroukje de Jong. She was unmarried and lived in her parental home at Schiedamsedijk 111 in Rotterdam with her siblings Noach, Mozes and Henrietta and earned her living as a warehouse head.
When Noach got married to Lena Stad on 28 October 1931, they moved to an own addres at Lange Pannekoekstr…