1 Samuel 21:9

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

Elah : a chief of Edom,the valley where David killed Goliath,son and successor of Baasha, king of Israel (about 900 BC),father of Hoshea, the last king of Israel about 700 BC,son of Caleb the son of Jephunneh of Judah,son of Uzzi (Michri Benjamin) who led his clan back from exile

Goliath : a Philistine giant from Gath,a Philistine giant from Gath killed by Elhanan.

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

1 Samuel 24:4

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

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

1 Samuel 30:22

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