2 Samuel (Author Compiled by Isaiah from records of Samuel, David, Nathan, and Gad.)
15:34and if to the city thou dost turn back, and hast said to Absalom, Thy servant I am, O king; servant of thy father I am also hitherto, and now, I am also thy servant; then thou hast made void for me the counsel of Ahithophel;
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.