Psalms 18:1

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

Psalms 45:1

Korah : a man who led a rebellion against Moses and Aaron.,son of Esau and Oholibamah,son of Eliphaz son of Esau,son of Izhar son of Kohath son of Levi,son of Hebron of Judah,son of Izhar (Amminadab) son of Kohath son of Levi

Maskil : a literary or musical term

Psalms 127:1

Solomon : the tenth son of David; the father of Rehoboam; an ancestor of Jesus; the third king of Israel.,son of David and Bath-Sheba; successor of King David