Cissy Houston, Grammy-winning singer and mother of Whitney Houston, has died, according to Gwendolyn Quinn, a representative for The Estate of Whitney E. Houston. She was 91.

Soul singer Cissy Houston, who was also known as the mother of pop icon Whitney Houston, died Monday morning. She was 91.

Cissy Houston, the mother of the late Whitney Houston and a two-time Grammy winner who performed alongside superstar musicians like Elvis Presley and Aretha Franklin, has died, CBS News confirmed. She was 91.