1 Chronicles 10:12

all their brave men set out and retrieved the body of Saul and the bodies of his sons and brought them to Jabesh. They buried their bones under the oak in Jabesh and fasted seven days.

Genesis 35:8

Deborah, the one who had nursed and raised Rebekah, died and was buried under the oak south of Bethel. So Jacob named it Oak of Weeping.

Genesis 50:10

When they reached the threshing floor of Atad, which is across the Jordan, they lamented and wept loudly, and Joseph mourned seven days for his father.

2 Samuel 3:35

Then they came to urge David to eat bread while it was still day, but David took an oath: “May God punish me and do so severely if I taste bread or anything else before sunset!”

2 Samuel 21:12-14

he went and got the bones of Saul and his son Jonathan from the leaders of Jabesh-gilead. They had stolen them from the public square of Beth-shan where the Philistines had hung the bodies the day the Philistines killed Saul at Gilboa.

Treasury of Scripture Knowledge

Summary

They arose, all the valiant men, and took away the body of Saul, and the bodies of his sons, and brought them to Jabesh, and buried their bones under the oak in Jabesh, and fasted seven days.

Bible References

The oak

Genesis 35:8
Deborah, the one who had nursed and raised Rebekah, died and was buried under the oak south of Bethel. So Jacob named it Oak of Weeping.
2 Samuel 21:12
he went and got the bones of Saul and his son Jonathan from the leaders of Jabesh-gilead. They had stolen them from the public square of Beth-shan where the Philistines had hung the bodies the day the Philistines killed Saul at Gilboa.

Fasted

Genesis 50:10
When they reached the threshing floor of Atad, which is across the Jordan, they lamented and wept loudly, and Joseph mourned seven days for his father.
2 Samuel 3:35
Then they came to urge David to eat bread while it was still day, but David took an oath: “May God punish me and do so severely if I taste bread or anything else before sunset!”

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.