Ms. Shirley Raines's cause of death has been revealed. As you know, the beloved activist who worked primarily on Skid Row in El Lay with her Beauty 2 The Streetz foundation was found dead in January. Her twin sister Sheila was the one who discovered her "unresponsive" in her Nevada home. So sad. Related: Lizzo DEVASTATED In Video Remembering Good Friend & Activist Ms. Shirley Ms. Shirley's daughter Danielle Williams confirmed her mother's cause of death to People on Wednesday. She said her mom died of hypertensive heart disease.