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Ner

Meaning: 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 (compare 1 Chr. 9:36).