Gerrit Coezijn was a son of Philip Coezijn and Vrouwtje Poppegaai. He married Betje Kesner in Amsterdam on 14 September 1938.
Other than he himrself, six other siblings did not survive the Holocaust too: Rosette, Jacobus, Sara, Hijman, Eva and Judith.
City Archive of Amsterdam, archive card of Phi…
In addition, a Jokos file (number 8956) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.