Elias Kleerekoper was a son of Israel Kleerekoper and Judith Vleeschdrager. He married in Amsterdam on 24 November 1904 to Betje de Rooij, with whom he had two children: Israel and Mozes, who survived the Holocaust.
Betje passed away on 29 November 1908 and Elias remarried on 24 September of that year to Sientje Leeuwarden. Elias and Sientje had also two children: Jacob who died in 1928 and Louis, who survived the war too.
Sientje Leeuwarden, who was born n Amsterdam on 5 January 1876 passed away there on 3 December 1938.
City Archive of Amsterdam, archive card of Elias Kleerekper and index personal registration cards regarding Louis Kleerekoper.
Biography