Here "mighty" is plural and may refer to only Saul and Jonathan, or to all of the soldiers of Israel. Alternate translation: "the mighty warriors" (See: [[rc://en/ta/man/translate/figs-nominaladj]])
This can be stated in active form. Alternate translation: "Jonathan has died in battle" or "The enemy has killed Jonathan" (See: [[rc://en/ta/man/translate/figs-activepassive]])
David continues to address this part of the song to the mountains of Gilboa as he started in [2 Samuel 1:21](./21.md). (See: [[rc://en/ta/man/translate/figs-apostrophe]])