the oak

Genesis 35:8
Now Deborah, Rebekah's nurse, died and was buried under the oak below Bethel. So Jacob named it Allon-bachuth.

2 Samuel 21:12-14
he went and took the bones of Saul and his son Jonathan from the men of Jabesh-gilead, who had stolen them from the public square of Beth-shan where the Philistines had hung the bodies after they had struck down Saul at Gilboa. . . .

fasted

Genesis 50:10
When they reached the threshing floor of Atad, which is across the Jordan, they lamented and wailed loudly, and Joseph mourned for his father seven days.

2 Samuel 3:35
Then all the people came and urged David to eat something while it was still day, but David took an oath, saying, "May God punish me, and ever so severely, if I taste bread or anything else before the sun sets!"