Helen Richardson was the cousin of Theodore Dreiser, and from 1919 until they married in 1944, his mistress. Helen wished for a movie career, but after only a few movies (one with Mabel Normand) gave it up to be with Theodore in New York. After his first wife died in 1942, she married him. After his death in 1945, she wrote her biography, “My Life with Dreiser.” (bio by: David Zipperer)  Family links:  Spouse:  Theodore Dreiser (1871 – 1945)* *Calculated relationship