Cissy Houston died at 91, as confirmed by Whitney Houston's estate. Cissy, a talented singer in her own right, was best known as Whitney's mother. However, "the voice" was only her youngest child, as she leaves behind more children.

Cissy is survived by her sons, Gary Garland and Michael Houston. Houston was married to Whitney and Michael’s father, John Houston, for 31 years. He was Whitney’s manager at one point, and died in 2003. Her oldest son, Gary, was from a previous relationship.

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.