Two-time Grammy-winning gospel artist Cissy Houston has died at the age of 91. Mother of Whitney Houston, aunt of Dionne Warwick, and cousin of opera singer Leontyne Price, Houston was born Emily Drinkard in Newark on September 30, 1933. She was one of the original Sweet Inspirations who backed up Elvis Presley, had hits on their own, and toured with Aretha Franklin and Chaka Khan.