Grietje de Groot was deported to Sobibor in June 1943 from Vught via Westerbork on the so-called children's transport. She was 6 when she died. J. de Moei, Joodse kinderen in het kamp Vught (Vught 1999) 36
Nathan de Groot was married to Thea Zuckermann. The couple had a daughter named Grietje. Nathan de Groot was a merchant. K. Ribbens, Zullen we nog terugkeren . De jodenvervolging in Amersfoort tijdens de Tweede Wereldoorlog (Amersfoort 2002) 162-163, 174-175