Abishag in the Bible

1 Kings 1:1-4 Now king David was old and stricken in years; and they covered him with clothes, but he gat no heat. 2 Wherefore his servants said unto him, Let there be sought for my lord the king a young virgin: and let her stand before the king, and let her cherish him, and let her lie in thy bosom, that my lord the king may get heat. 3 So they sought for a fair damsel throughout all the coasts of Israel, and found Abishag a Shunammite, and brought her to the king. 4 And the damsel was very fair, and cherished the king, and ministered to him: but the king knew her not.
1 Kings 2:13-25 And Adonijah the son of Haggith came to Bathsheba the mother of Solomon. And she said, Comest thou peaceably? And he said, Peaceably. 14 He said moreover, I have somewhat to say unto thee. And she said, Say on. 15 And he said, Thou knowest that the kingdom was mine, and that all Israel set their faces on me, that I should reign: howbeit the kingdom is turned about, and is become my brother's: for it was his from the LORD. 16 And now I ask one petition of thee, deny me not. And she said unto him, Say on. ...