Country music legend, Loretta Lynn's oldest daughter, Betty Sue Lynn passed away yesterday at the age of 64.

According to a statement from the family, Betty Sue Lynn passed away in her Waverly, Tennessee home due to complications of emphysema.

Loretta Lynn married her husband Oliver at the age of 15. They had six children together and lost their oldest son, Jack Benny Lynn back in 1984 at the young age of 34.

The country star released a statement on her Facebook saying, "The Lynn Family appreciates all your prayers, love, and support of our family’s loss. Betty was Loretta’s oldest daughter. Betty leaves two daughters Lynn Markworth and Audrey Dyer."