Betje van Praag was a daughter of Zacharias van Praag and Schoontje Geleerd. She married 22 May 1913 in Amsterdam Emmanuel Roozendaal, a son of Abraham Roozendaal and Riekchen Hesse.
Betje was born in a family of six children: she self, Evalina, Henri, Levie, Louis en David. They have been killed all during the Holocaust.
website www.wiewaswie.nl.