Rosa van der Heijden was a daughter of Salomon van der Heijden and Johanna Francisca Warendorf.
Stadsarchief Amsterdam, archiefkaart Rosa Catharina van der Heijden
Rosa Catharina Schaap-van der Heijden took her own life under pressure of the circumstances.
NIOD, Records Joodse Raad, box 36d, letter dd. 23 September 1942