Cato Wolff (nickname Kitty) was the daughter of Benjamin Mozes Wolff, wholesaler in cattle and meat, and Rosalia Israëls. After the final exam at the Secondary Girls' school (MMS) in Arnhem, she followed a three-year secretarial course in German, French and English at the private school of Maddy Swaan. After completing the course, she worked for the J.J.E. Hulsewé Insurance agency until 12 March 1…