1 Kings 2:20-22

20Then she said, “I have just one small request of you. Don’t turn me down.” “Go ahead and ask, mother,” the king replied, “for I won’t turn you down.”

21So she said, “Let Abishag the Shunammite be given to your brother Adonijah as a wife.”

22King Solomon answered his mother, “Why are you requesting Abishag the Shunammite for Adonijah? Since he is my elder brother, you might as well ask the kingship for him, for the priest Abiathar, and for Joab son of Zeruiah.”