Johny Lierens was a son of Saartje Lierens. He was a baker and he married Sientje Blitz on 18 March 1942 in Amsterdam, a daughter of Isaac Blitz and Keetje Schoenlapper. From 24 April they lived on Rapenburgerstraat 99 II in Amsterdam.
Stadsarchief Amsterdam, archiefkaart Johny Lierens and Isaac Blitz.
Biography