וְנֵר֙ הוֹלִ֣יד אֶת־קִ֔ישׁ וְקִ֖ישׁ הוֹלִ֣יד אֶת־שָׁא֑וּל וְשָׁא֗וּל הוֹלִ֤יד אֶת־יְהֽוֹנָתָן֙ וְאֶת־מַלְכִּי־שׁ֔וּעַ וְאֶת־אֲבִינָדָ֖ב וְאֶת־אֶשְׁבָּֽעַל׃
尼珥生基士,基士生掃羅,掃羅生約拿單、麥基舒亞、亞比拿達和伊施巴力。
Rashi
Eshbaal That is Ish Bosheth, and he is nicknamed “bosheth,” because “baal” is an expression of lordship, and he nicknamed him “bosheth,” an expression of disgrace.