1 Kings 2:20-22

20Then she said, “I am making one small request of you; do not refuse me.” And the king said to her, “Ask, my mother, for I will not refuse you.”

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

22King Solomon answered and said to his mother, “And why are you asking for Abishag the Shunammite for Adonijah? Ask the kingdom for him also—since he is my older brother—[ask it] for him and for Abiathar the priest and Joab the son of Zeruiah [his supporters]!”