שמואל א, פרק י״ד, פסוק נ״א

The leadership structure of the first Israelite kingdom was deeply rooted in tight family ties. Tracing the lineage of its key figures reveals the family tree at the very top of the government. The patriarch of this family was Abiel. He had two sons, Kish and Ner, making them brothers [מלבי״ם, מצודת דוד, אברבנאל]. Kish became the father of King Saul, while Ner was the father of Abner. By outlining this shared ancestry, the precise relationship between the king and the commander of his army becomes clear: Saul and Abner were first cousins [מלבי״ם, אברבנאל].

The inclusion of the fathers, Kish and Ner, in the historical record of the kingdom's leadership prompts different explanations. One perspective suggests that these older family members took an active role in the government. In this view, they formed Saul's initial core team, which gradually expanded over time [ביאור שטיינזלץ]. However, another approach rejects the idea that Kish and Ner served as royal ministers. Instead, their names are recorded purely to establish a shared background, highlighting that both the king and his top general emerged from the exact same household, one known for producing men of bravery and military strength [אברבנאל].