there fell some of Manasseh, beside the Gadites. See note on 1Ki_12:17 for the strengthening of Judah and making it representative of the whole nation.
they: David and his men. See 1Sa_28:1, 1Sa_28:2; 1Sa_28:29.
them: the Philistines.
lords, or princes.
upon advisement = advisedly, or by counsel. Compare 1Ch_21:12.
to the jeopardy of our heads. Hebrew with our heads; or, at the cost of our heads.