A wealthy Greek shipping family's 28-year-old heiress, Marissa Laimou, was found dead in her apartment in London, reports said. Her family claimed that Laimou, also known as Lemos, died due to an insect bite after being discharged from a hospital. Laimou had recently beaten cancer. The Laimou family's roots can be traced back to the early 20th century, reports added.