Sippora Barend, usually named Sientje, the fourth child of Salomon Barend and Lena IJzerkoper, was born on 6 September 1895 in Amsterdam. She married her cousin Joseph IJzerkoper, shoemaker by profession and a son of Samson IJzerkoper and Grietje Carels. He was known as Jopie. The couple had two dau…
In addition, a Jokos file (number 12412) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.