Grammy-winning singer and American Idol alum Mandisa d**d from complications of class III obesity, according to an autopsy obtained by PEOPLE. She was 47 years old.

Friends found her body at her home on April 18, although the report notes she had last been seen alive about three weeks earlier. Her manner of d**th was listed as natural.

Class III obesity, as defined by the Cleveland Clinic, involves a BMI of 40 or higher, or a BMI of 35+ with related health conditions.

Her Final Years Marked by Health and Emotional Struggles
A representative confirmed Mandisa’s d**th in a statement released on April 19, asking for prayers for her family and close friends. “We do not know the cause of d**th or further details at this time,” they said.