King of Israel and man after God's own heart, ancestor of the Messiah
Wisest king of Israel who built the first temple in Jerusalem
Moabite woman of faith who became ancestor of David and Jesus
Rahab was a Canaanite prostitute who hid the Israelite spies and was saved when Jericho fell. She became an ancestor of David and Christ.
The shepherd-king, anointed but rejected, later enthroned
History - Samuel, Nathan, Gad
History - Nathan, Gad
Poetry - David, Asaph, Sons of Korah, others