So Saul died - (see on 1Ch 10:13; see on Hos 13:11).
and his three sons - The influence of a directing Providence is evidently to be traced in permitting the death of Saul’s three eldest and most energetic sons, particularly that of Jonathan, for whom, had he survived his father, a strong party would undoubtedly have risen and thus obstructed the path of David to the throne.
and all his men, that same day together - his servants or bodyguard (1Ch 10:6).