Genesis 50:10
10 When they came to the threshing floor of Atad, which is beyond the Jordan, they lamented there with a very great and grievous lamentation, and he made a mourning for his father cseven days.
1 Samuel 31:13
13 And they took their bones and buried them under the tamarisk tree in Jabesh and bfasted seven days.
Ezekiel 3:15
15 And I came to the exiles at Tel-abib, who were dwelling bby the Chebar canal, and I csat where they were dwelling.1 And I sat there overwhelmed among them dseven days.