Karel Keizer was a son of 524494.
Stadsarchief Amsterdam, archiefkaart Karel Keizer
Karel Keizer was a member of the 'Oranje Vrijbuiters', a team of heavies who were active in Utrecht, including for eliminating collaborators and for stealing coupons. on 29 August 1943, the Nazis wound up the team.
In February 1944, 20 team members were put on trial, 19 of which were given the death sentence. Th…