Lodewijk van Oss was the son of Levie van Oss (1878-1935) and Aaltje Grietje van der Heijden.
Addition of a visitor of the website
In addition, a Jokos file (number 55321) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.