Who was the singer that wrote a song to her husband and daughter about her dying of cancer?

The singer who wrote a song to her husband and daughter about her dying of cancer is Joey Feek, one half of the Country Music duo Joey + Rory. The song she wrote is called "When I'm Gone," which reflects on her impending death and how her loved ones should remember her after she's gone. Joey Feek passed away in 2016 after battling Cervical cancer.