What does 1 Chronicles 9:39 mean?

Ner was the father of Kish, and Kish was the father of Saul. Saul's sons were Jonathan, Malki-Shua, Abinadab, and Esh-Baal. 1 Chronicles 9:39 - Modern Text Bible

(This verse traces the family line down to Saul, Israel's first king, and lists his sons.)