Polyamorous people

Clara Bracken McMillen (October 2, 1898 – April 30, 1982) was an American researcher. The wife of Alfred Kinsey, whose nickname for her was "Mac", she contributed to the Kinsey Reports on human sexuality.

Heinrich Friedrich Ernst Blücher (29 January 1899 – 31 October 1970) was a German poet and philosopher. He was the second husband of Hannah Arendt whom he had first met in Paris in 1936. During his life in America, Blücher traveled in popular academic circles and appears prominently in the lives of various New York intellectuals.