Lena Schrijver was a daughter of Joseph Schrijver and Rebecca Gobetz. She was married in 1937 to Mozes Aldewereld, who has survived the Holocaust.
City Archive of Amsterdam, family registration card of Joseph Schrijver .
In addition, a Jokos file (number 8609) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.