Jesse or Yishai is a figure described in the Bible as the father of David, who became the king of the Israelites. His son David is sometimes called simply "Son of Jesse" . The role as both father of King David and ancestor of Jesus has been used in various depictions in art, e.g. as the Tree of Jesse or in hymns like "Lo, how a rose e'er blooming."
Jesse of Bethlehem is a significant figure in the Bible as the father of King David and an ancestor of Jesus Christ. A descendant of Judah, Jesse's lineage traces back to Boaz and Ruth, establishing his place in the tribe of Judah. His importance is highlighted when Samuel the prophet anoints his youngest son, David, as the future king of Israel.
Son of Obed and father of David. He was a grandson of Ruth the Moabitess, and in he native land he found an asylum while David was most in danger from the jealous pursuit of Saul, Ruth 4:17 1 Samuel 16:1-23 17:12 22:3 Mt 1:5. Easton's Bible Dictionary