2 Samuel 3:1-2

New Revised Standard Version, Anglicised

Abner Defects to David

3 There was a long war between the house of Saul and the house of David; David grew stronger and stronger, while the house of Saul became weaker and weaker.

² Sons were born to David at Hebron: his firstborn was Amnon, of Ahinoam of Jezreel;