Maria Riva, Dietrich Daughter Who Demystified the Legend, Dies at 100

She was her mother’s handmaiden and aide-de-camp. In 1993, her blockbuster biography told of the awful price she paid.Maria Riva in an undated photo. The daughter of the movie star Marlene Dietrich, she grew skilled at an early age at caring for her mother’s costumes and props and stamping her autograph on publicity photos.