1 Kings 2:20-22

20“I have one small request to make of you,” she said. “Do not refuse me.” The king replied, “Make it, my mother; I will not refuse you.”

21So she said, “Let Abishag the Shunammite be given in marriage to your brother Adonijah.”

22King Solomon answered his mother, “Why do you request Abishag the Shunammite for Adonijah? You might as well request the kingdom for him—after all, he is my older brother—yes, for him and for Abiathar the priest and Joab son of Zeruiah!”