Bertha Reens-Cohen is the sister of my grandfather George Cohen (he died in 1936).
GenLias has the marriage record for Bertha and Louis Reens
Huw 12-12-1923 Oldenzaal #61: Louis Reens 30 jaar g. Amsterdam, beroep Meubelmaker (Joell Reens, beroep Schoenmaker en Elisabeth de Jong) en Bertha Cohen …
Bertha is een dochter van Samson Cohen en Carolina ten Brink. Ze trouwde 12 december 1923 met Louis Reens (A'dam, 20 oktober 1893).
Bron SAA archiefkaart Bertha Cohen 31-5-1894
In addition, a Jokos file (number 14460) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.The Jokos file reveals that a claim was lodged for compensation for valuables surrendered to the Lippmann-Rosenthal looting …