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In page Katharina Jacob:

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Jacob was born Katharina Emmermann in Cologne. She married Walter Hochmuth in 1927. He was a Communist politician and member of the Hamburg Parliament during the Weimar Republic. She joined the Communist Party (KPD) in 1928. They had one daughter together, Ursel, born in 1931. After the Nazis seized power in 1933, Walter Hochmuth appeared on a wanted poster and went underground.[1] He had an affair with the woman who had given him a place to stay, and they had a son in March 1934. He and Katharina divorced in 1939.[citation needed]