Gail Zappa, widow of Frank Zappa, has passed away. She was 70 years old. The Zappa family confirmed the passing to TMZ, adding that she died on Wednesday afternoon in Los Angeles and that she was reportedly battling an illness for many years.

Gail Zappa was born in 1945 and married Frank Zappa in 1967. The two had four kids, Ahmet, Dweezil, Moon and Diva. Ahmet recently took over the majority of the operations of the Zappa Family Trust.

The family told TMZ that Gail “conducted intricate legal negotiations with corporations as grand dame of the Zappa Family Trust, she never failed to impart the sense of humor that was part and parcel of her indomitable and formidable personality.”