On 4 May 1932 the 'Ezer Jatom' association opened a Jewish orphanage at 66 Pletterijstraat in The Hague. On 6 March 1943 the Nazis removed the children and the staff from the orphanage. They included several German refugee children, such as Berta Ament.
I.B. van Creveld, ’Het joods weeshuis in Den Haag‘, in: Misjpoge. Verenigingsblad van de Nederlandse Kring voor Joodse Genealogie, jrg 15, nr 2, 44
More information about Berta Ament can be found on www.dokin.nl