LaVerne Andrews died of cancer in 1967 and Maxene Andrews died in 1995 after suffering a heart attack.

BBC: Last Andrews sister, Patty, dies in LA aged 94

Sister LaVerne, who was seven years older, died of cancer in 1967, while Maxene, two years older than Patty, died of a heart attack in 1995.

CNN: Last Andrews Sister, Patty, dies at 94

The next day, Lou Levy, who would soon become their manager and later the husband of Maxene, was sent to the Edison Hotel with instructions to find 'those girls.

CNN: Last Andrews Sister, Patty, dies at 94