Leo Samuel Swaab was the son of Samuel Swaab and Betje van Gelderen. After Samuel Swaab died, Leo stayed for some time at the Dutch Israelite boys orphanage . Addition of a visitor of the website
In addition, a Jokos file (number 2102) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.