New Revised Standard Version
all the valiant warriors got up and took away the body of Saul and the bodies of his sons, and brought them to Jabesh. Then they buried their bones under the oak in Jabesh, and fasted seven days.

Contemporary English Version
some brave men went to get his body and the bodies of his three sons. The men brought the bodies back to Jabesh, where they buried them under an oak tree. Then for seven days, they went without eating to show their sorrow.

New American Bible
all their warriors set out, recovered the corpses of Saul and his sons, and brought them to Jabesh. They buried their bones under the oak of Jabesh, and fasted for seven days.

Douay-Rheims Bible
All the valiant men of them arose, and took the bodies of Saul and of his sons, and brought them to Jabes, and buried their bones under the oak that was in Jabes, and they fasted seven days.

All the valiant men of them arose, and took the bodies of Saul and of his sons, and brought them to Jabes, and buried their bones under the oak that was in Jabes, and they fasted seven days.

the oak

Genesis 35:8 At the same time Debora, the nurse of Rebecca, died, and was buried at the foot of Bethel, under an oak, and the name of that place was called, The oak of weeping.

2 Samuel 21:12-14 And David went, and took the bones of Saul, and the bones of Jonathan his son from the men of Jabes Galaad, who had stolen them from the street of Bethsan, where the Philistines had hanged them when they had slain Saul in Gelboe. . . .

fasted

Genesis 50:10 And they came to the threshing floor of Atad, which is situated beyond the Jordan: where celebrating the exequies with a great and vehement lamentation, they spent full seven days.

2 Samuel 3:35 And when all the people came to take meat with David, while it was yet broad day, David swore, saying: So do God to me, and more also, if I taste bread or any thing else before sunset.