1 Samuel 17:20

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

Jesse : a son of Obed; the father of David the king and ancestor of Jesus,son of Obed of Judah; father of David

1 Samuel 28:2

Achish : the king of Gath in David's time,the king of Gath in Solomon's time

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