She has three younger sisters , Kathy , Cindy and Tara .
Cash 's parents , Johnny Cash and Vivian Liberto , were married in San Antonio , Texas , in 1954 .
Vivian Liberto has three younger sisters , Kathy , Cindy and Tara .
Cash 's parents , Johnny Cash and Vivian Liberto , were married in San Antonio , Texas , in 1954 .