Biography: Maria Elisabeth Riva (née Sieber; born December 13, 1924) is a German-born American actress. She worked on television at CBS in the 1950s, becoming one of the first stars of early kinescope-era television. She is the daughter of actress Marlene Dietrich, about whom she published a memoir in 1992. Description above from the Wikipedia article Maria Riva, licensed under CC-BY-SA, full list of contributors on Wikipedia.