Naomi Judd, the Kentucky-born singer of the Grammy-winning duo The Judds and mother of Wynonna and Ashley Judd, died Saturday. She was 76. The daughters announced her death on Saturday in a statement provided to the Associated Press. “Today we sisters experienced a tragedy. We lost our beautiful mother to the disease of mental illness,” the statement said. “We are shattered. We are navigating profound grief and know that as we loved her, she was loved by her public. We are in unknown territory.” Naomi Judd died near Nashville, said a statement on behalf of her husband and fellow singer, Larry Strickland. It said no further details about her death would be released and asked for privacy as the family grieves. The Judds, Naomi and Wynonna, were to be inducted into the Country Music Hall of Fame on Sunday and they had just announced an arena tour to begin in the fall, their first tour together in more than a decade. They also made a return to awards shows when they performed at the CMT