2 Samuel 15:21 in the King James Version
And Ittai answered the king, and said, As the LORD liveth, and as my lord the king liveth, surely in what place my lord the king shall be, whether in death or life, even there also will thy servant be.
Context
20 Whereas you came but yesterday, should I today make you go up and down with us, since I go where I may? Return, and take back your brothers. Mercy and truth be with you.”
21 Ittai answered the king and said, “As the LORD lives, and as my lord the king lives, surely in what place my lord the king is, whether for death or for life, your servant will be there also.”
22 David said to Ittai, “Go and pass over.” Ittai the Gittite passed over, and all his men, and all the little ones who were with him.