Cissy Houston died at 91 on Oct. 7 in New Jersey where she was under hospice care for Alzheimer's disease. Her former son-in-law, Bobby Brown, paid tribute to her to PEOPLE on Monday.

Bobby Brown is paying tribute to his late mother-in-law, Cissy Houston, following her death at 91. Brown, 55, married to Cissy’s late daughter, Whitney Houston, from 1992 to 2007. The New Edition star shared a joint statement with his wife, Alicia Etheredge-Brown, about Cissy’s passing on Monday.

Bobby Brown is paying tribute to his late former mother-in-law, Cissy Houston. On Monday, October 7, Whitney Houston’s mother, a musical icon in her right, died at 91. In light of the news, the New Edition star and his wife, Alicia Etheredge-Brown, shared their condolences, per People magazine.