1 Samuel 17:10

Israel : a citizen of Israel.,a member of the nation of Israel

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

1 Samuel 25:39

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

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

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