Tytyana Miller, the daughter of rapper Master P whose struggles with addiction were documented on the We TV reality series Growing Up Hip Hop, has died at the age of 29.

The news was announced on Instagram by Master P. Although a cause was not specified, the 52-year-old rapper wrote that “mental illness & substance abuse is a real issue that we can’t be afraid to talk about.”

“Our family is dealing with an overwhelming grief for the loss of my daughter Tytyana,” Master P wrote. “We respectfully request some privacy so that our family can grieve. We appreciate all of the prayers love and support. Mental illness & substance abuse is a real issue that we can’t be afraid to talk about. With God, we will get through this.”

Miller’s elder brother, Romeo Miller, who appeared with his sister in a memorable episode of Growing Up Hip Hop, in...