Jacques Andreas de Heer lived at 68 Campersingel in Haarlem. Under pressure of the circumstances, he took his own life.
NIOD, Records Joodse Raad, box 36d, letter d.d. 8 March 1943
The gravestone of Jacques Andreas de Heer at Kerkehout Jewish cemetery in Wassenaar states that he died while being held by the Germans in Scheveningen.
Addition of a visitor of the website
See also: Phocas Kroon, De joodse gemeenschap in Eindhoven 1940-1945 (2003, in eigen beheer uitgegeven) p. 61