Sexism is reportedly a big problem in German Chancellor Angela Merkel’s CDU party. One female member has complained about chauvinistic male behaviour behind closed doors.

Jenna Behrends, a Berlin CDU politician, told the Berliner Morgenpost that senior party members had called her belittling pet names in front of colleagues and asked her inappropriate questions about her sex life.

In an interview with the German newspaper Bild am Sonntag, CDU General Secretary Peter Tauber said: “I hear ab...