Kings III 1:21

21 And it shall come to pass, when my lord the king shall sleep with his fathers, that I and Solomon my son shall be offenders.

Kings III 1:21 In-Context

19 And he has sacrificed calves and lambs and sheep in abundance, and has called all the king's sons, and Abiathar the priest and Joab the commander-in-chief of the host; but Solomon thy servant he has not called.
20 And thou, my lord, O king, —the eyes of all Israel upon thee, to tell them who shall sit upon the throne of my lord the king after him.
21 And it shall come to pass, when my lord the king shall sleep with his fathers, that I and Solomon my son shall be offenders.
22 And behold, while she was yet talking with the king, Nathan the prophet came. And it was reported to the king,
23 Behold, Nathan the prophet : and he came in to the king's presence, and did obeisance to the king with his face to the ground.

The Brenton translation of the Septuagint is in the public domain.