1 Samuel 2:5

2:5 Those who are well-fed hire themselves out to earn food,

but the hungry no longer lack.

Even the barren woman gives birth to seven,

but the one with many children withers away.

1 Samuel 10:8

10:8 You will go down to Gilgal before me. I am going to join you there to offer burnt offerings and to make peace offerings. You should wait for seven days, until I arrive and tell you what to do.”

1 Samuel 11:3

11:3 The elders of Jabesh said to him, “Leave us alone for seven days so that we can send messengers throughout the territory of Israel. If there is no one who can deliver us, we will come out voluntarily to you.”