Philip van Dijk was a son of Alexander van Dijk and Emma de Lion. In his second marriage he was married to Keetje Kalf. The couple lived with her parents.
Addition of a visitor of the website.
In addition, a Jokos file (number 12306) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.