Kish was the father of Saul, and Ner the father of Abner was the son of Abiel.
1 Samuel 14:51
Surrounding context
14:50 The name of Saul's wife was Ahinoam the daughter of Ahimaaz. And the name of the commander of his army was Abner the son of Ner, Saul's uncle.
14:51 Kish was the father of Saul, and Ner the father of Abner was the son of Abiel.
14:52 Now there was fierce war with the Philistines all the days of Saul. And when Saul saw any strong man or any valiant man, he took him for himself.