1 Samuel 18:30

David : a son of Jesse of Judah; king of Israel,son of Jesse of Judah; king of Israel

Philistines : a sea people coming from Crete in 1200BC to the coast of Canaan
(33° 33´, 35° 21´)

Saul : the sixth king of Edom,son of Simeon and a Canaanite woman,son of Uzziah of Kohath son of Levi

1 Samuel 25:3

Abigail : the widow of Nabal; wife of David,daughter of Jesse; sister of King David; wife of Ithra/Jether

Calebite : a member of the clan of Caleb

Nabal : a man who was a rich descendant of Caleb in David's time