Jesse.

1 Chronicles 10:14
and he failed to inquire of the LORD. So the LORD put him to death and turned the kingdom over to David son of Jesse.

Ruth 4:22
Obed was the father of Jesse, and Jesse was the father of David.

1 Samuel 16:1
Now the LORD said to Samuel, "How long are you going to mourn for Saul, since I have rejected him as king over Israel? Fill your horn with oil and go. I am sending you to Jesse of Bethlehem, for I have selected from his sons a king for Myself."

Isaiah 11:1, 10
A shoot will spring up from the stump of Jesse, and a branch from his roots will bear fruit. . . .

Matthew 1:5
Salmon was the father of Boaz by Rahab, Boaz the father of Obed by Ruth, Obed the father of Jesse,

Luke 3:32
the son of Jesse, the son of Obed, the son of Boaz, the son of Sala, the son of Nahshon,

Acts 13:22
After removing Saul, He raised up David as their king and testified about him: 'I have found David son of Jesse a man after My own heart; he will carry out My will in its entirety.'

Romans 15:12
And once more, Isaiah says: "The root of Jesse will appear, One who will arise to rule over the Gentiles; in Him the Gentiles will put their hope."