Roosje Sluijzer was a daughter of Levie Sluijzer and Dina Grijsaard. She married Samuel Appelboom in Amsterdam on 26 November 1908, a son of Salomon Appelboom and Matje Pimentel. The couple had six children: Salomon, Levie, Mozes, Abraham, Mathilda and Dina. One son has survived the Holocaust but the other five children have been killed in the Shoah. Samuel Appelboom deceased already on 11 March …