Joyner and her husband lived in Poquoson, Virginia, and had two children, a son named Upshur, who died of leukemia at the age of 47 in 1990, and a daughter, Kate.
Kitty e Upshur vivían en Poquoson, Virxinia, e tiñan dous fillos, un fillo chamado Upshur, que morreu de leucemia á idade de 47 anos en 1990, e unha filla, Kate.