Heintje de Rooij was a daughter of Jacob de Rooij and Betje Vischschoonmaker. She married in Amsterdam on 20 December 1928 to Salomon Polak, son of Meijer Polak and Saartje Piller. The couple had two children: Meijer and Betty.
City Archive of Amsterdam, archive card of Jacob de Rooij, Salomon Polak and website www.wiewaswie.nl.
Biography