Joël Denneboom, born in 1923 in Avereest, was a son of Leon Denneboom and Roosjen Cohen.
Since 31 August 1938 Joël Denneboom lived in with the family of Levie Jacob Wonder in Weesp at the address Slijkstraat 20. According the City Archive of Amsterdam, his profession was listed as house servant but he might has started his career as slaughterer.
At the time of the obligatory registration of the Je…