'Swear by the Lord' in the Bible

And I will make thee swear by the LORD, the God of heaven, and the God of the earth, that thou shalt not take a wife unto my son of the daughters of the Canaanites, among whom I dwell:

Now therefore arise, go forth, and speak comfortably unto thy servants: for I swear by the LORD, if thou go not forth, there will not tarry one with thee this night: and that will be worse unto thee than all the evil that befell thee from thy youth until now.

And she said to him, My lord, thou didst swear by the LORD thy God to thy handmaid, saying, Assuredly Solomon thy son shall reign after me, and he shall sit upon my throne.

And the king sent and called for Shimei, and said unto him, Did I not make thee to swear by the LORD, and protested unto thee, saying, Know for a certain, on the day thou goest out, and walkest abroad any whither, that thou shalt surely die? and thou saidst unto me, The word that I have heard is good.

In that day shall the five cities of Egypt speak with the Canaanites' tongue, and swear by the LORD of Hosts: the city of desolation shall be called one of them.

And them that worship the host of heaven upon the housetops; and them that worship and that swear by the LORD, and that swear by Malcham;