Whitney Houston tragically died of an accidental drowning in 2012, but her three brothers — John, Gary and Michael — have kept her memory alive.

Cissy Houston, the Grammy-winning gospel singer and Whitney Houston's mother, died Monday in New Jersey. She was 91. The singer was in hospice, where she was receiving care for Alzheimer's disease, at the time of her death.

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