Betje de Vries was married to Levie Rosenbaum.
Addition of a visitor of the website
In January 1942, an obituary was placed in Het Joodsche Weekblad for B. de Vries.
Het Joodsche Weekblad, 23 January 1942, 8
The funeral records at the Jewish cemetery in Arnhem reveal that a memorial stone is placed for Betje de Vries.