What along with privateer was XXX's military rank?
Hans Bothmann
SS-Hauptsturmführer Hans Bothmann or Hans Johann Bothmann (November 11, 1911 -- April 4, 1946) was the last commandant of the Chełmno extermination camp from 1942 on (SS card number 117630); leader of the SS Special Detachment Bothmann conducting the extermination of Jews from the Łódź Ghetto and other places.
commandant