From the Hebrew name יְהוֹנָתָן (Yehonatan),contracted to יוֹנָתָן (Yonatan), meaning "Yahweh has given". According to the Old Testament, Jonathan was the eldest son of Saul. His relationship with his father was strained due to his close friendship with his father's rival David. Along with Saul he was killed in battle with the Philistines.