2 Samuel 3:3

3:3 His second son was Kileab, born to Abigail the widow of Nabal the Carmelite. His third son was Absalom, the son of Maacah daughter of King Talmai of Geshur.

2 Samuel 21:7

21:7 The king had mercy on Mephibosheth son of Jonathan, the son of Saul, in light of the Lord’s oath that had been taken between David and Jonathan son of Saul.