Country singer Naomi Judd has died at the age of 76

American country music singer Naomi Judd, best known for the duo The Judd, formed with her daughter Vainona, her family announced Saturday that she has died at the age of 76.

Wynonna and her sister Ashley, an actress, shared their “deep grief” on their Instagram accounts.

“We lost our wonderful mother with a mental illness,” they said without further details.

Naomi and Vainona Judd formed as a couple in the late 1970s and won several awards, including five Grammys. Some of the mother-daughter duo’s most popular songs include ‘Love Can Build a Bridge’, ‘Mama He’s Crazy’ and ‘Girls’ Night Out’.

Although separated in 1983, the two reunited several times for tours and special appearances, but were officially terminated in 1991 when Naomi was diagnosed with hepatitis C.

For the first time in more than a decade, the mother and daughter are set to tour again this fall, and on Friday the Country Music Hall of Fame announced on May 1 that it would be joining their ranks to help bring the country back to its roots. With melodious songs.