Deuteronomy 17:15
King James Version
“Thou shalt in any wise set king over thee, whom the LORD thy God shall choose: from among thy brethren shalt thou set king over thee: thou mayest not set a stranger over thee, which not thy brother.”
Context
12And the man that will do presumptuously, and will not hearken unto the priest that standeth to minister there before the LORD thy God, or unto the judge, even that man shall die: and thou shalt put away the evil from Israel.
13And all the people shall hear, and fear, and do no more presumptuously.
14When thou art come unto the land which the LORD thy God giveth thee, and shalt possess it, and shalt dwell therein, and shalt say, I will set a king over me, like as all the nations that about me;
15Thou shalt in any wise set king over thee, whom the LORD thy God shall choose: from among thy brethren shalt thou set king over thee: thou mayest not set a stranger over thee, which not thy brother.
16But he shall not multiply horses to himself, nor cause the people to return to Egypt, to the end that he should multiply horses: forasmuch as the LORD hath said unto you, Ye shall henceforth return no more that way.
17Neither shall he multiply wives to himself, that his heart turn not away: neither shall he greatly multiply to himself silver and gold.
18And it shall be, when he sitteth upon the throne of his kingdom, that he shall write him a copy of this law in a book out of before the priests the Levites: