Kostja Zetkin | |
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![]() Kostja Zetkin with Rosa Luxemburg 1909 | |
Born | Konstantin Zetkin 14 April 1885 |
Died | September 1980 (aged 95) |
Occupation(s) | physician political activist |
Spouse | Gertrude Bardenhewer (1893–1980) |
Children | Lucas Bennett (step-son) |
Parent(s) | Ossip Zetkin (1850–1889) Clara Eißner (1857–1933) |
Relatives | Maxim Zetkin (brother) |
Konstantin "Kostja" Zetkin (14 April 1885 – September 1980) was a German physician, social economist and political activist.[1]
He was the son of Clara Zetkin, an iconic pioneer of the political left in Germany. For a time, he became the lover of another, Rosa Luxemburg.[2]