David's sons were born in Hebron. His oldest son was Amnon, by Ahinoam from Jezreel;
References for 2 Samuel 3:2
the second was Chileab, by Abigail, Nabal's widow from Carmel; the third was Absalom, by Maacah, who was the daughter of Geshur's King Talmai;
References for 2 Samuel 3:3
the fourth was Adonijah, by Haggith; the fifth was Shephatiah, by Abital;
and the sixth was Ithream, by David's wife Eglah. These are David's sons that were born in Hebron.