Stevie’s parents were Jess Seth Nicks and Barbara Meeks Nicks. Jess, 80 (d. August 10, 2005), and Barbara, 84 (d. December 28, 2012).
Stevie has one younger brother, Christopher Aaron (b. December 18, 1953), who married Stevie’s backup singer Lori Nicks (b. September 14, 1951). They have one child, Jessica James Nicks (b. September 27, 1991), Stevie’s niece.
You can read more about Stevie’s family history at Genealogy Magazine.