Abraham Cohen lived with his wife Betsie Rosette van Beets at 54 Van Tuyl van Serooskerkenplein in Amsterdam. Under pressure of the circumstances, they took their own lives one day between 7 and 29 April 1943.
NIOD, Records Joodse Raad, box 36d, letter d.d. 29 April 1943
In addition, a Jokos file (number 30411) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.