1 Samuel 8:9

Now therefore hearken unto their voice: howbeit yet protest solemnly unto them, and shew them the manner of the king that shall reign over them.

Cross-reference

1 Samuel 8:11-18 delivers the warning commanded here — detailing the oppressive 'manner of the king'.

1 Samuel 10:25 shows Samuel fulfilling the command to 'show the manner of the kingdom' by proclaiming it.

1 Samuel 14:52 Prophetic fulfillment

1 Samuel 14:52 shows Saul conscripting valiant men — fulfilling the warning about the king taking sons for war.

Ezekiel 45:8 promises princes will not oppress — a direct contrast to the oppression warned against in 1 Samuel 8.

Ezekiel 46:18 forbids a prince from taking the people's inheritance — echoing the warning here about kings who will seize property.