Brenda Leonides was the second wife of Aristide Leonides. When they met she was a respectable young woman working in a tea shop. She was very much younger than her husband, and he spoiled her. At the time of their marriage she was twenty-four and he was seventy-five. They had been married fro ten years when Aristide died.
She might have had an affair with Laurence Brown, her stepgrandchildren's tutor.
In the 2017 adaptation Brenda is an American former showgirl, whom Aristide met at a casino in Las Vegas. Brenda is portrayed by actress Christina Hendricks.