Ner is mentioned 14 times in scripture, across 4 books of the Old Testament. First named in scripture around 1200 BC.
Light, the father of Kish (1 Chr. 8:33). 1 Sam. 14:51 should be read, “Kish, the father of Saul, and Ner, the father of Abner, were the sons of Abiel.” And hence this Kish and Ner were brothers, and Saul and Abner were first cousins (comp. 1 Chr. 9:36).