Jacob van Ijssel and Sipora Logher (daughter of Aaron Logher and Jaantje Schuijer) had another son, Daniel. Daniel was married and lived with his wife and child at the same address as his parents.
Addition of a visitor of the website
In addition, a Jokos file (number 30820) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.