On Monday (Oct. 7), it was revealed that R&B and gospel legend Cissy Houston, the mother of Whitney Houston, passed away at the age of 91. According to PEOPLE, a source stated that the family was “devastated” and “taking it hard” following news of her death.

Cissy Houston, the beloved mother of the late Whitney Houston and a legendary gospel singer in her own right, has passed away at the age of 91. Cissy died on Monday, October 7, at her New Jersey home while receiving hospice care for Alzheimer's disease, as confirmed by her daughter-in-law, Pat Houston.

Cissy Houston ’s family is “devastated” by her death. The Grammy-winning matriarch, whose stellar performing career saw her sing alongside icons including Elvis Presley and Aretha Franklin, passed away on the morning of Oct. 7 in her New Jersey home after a battle with Alzheimer’s led to her being placed under hospice care.