3B According to Hebrews 1:5b, which quotes 2 Samuel 7:14a, David's seed is actually Christ as God's firstborn Son, who has both divinity and humanity—Heb. 1:5a, 6.
4C Your seed in 2 Samuel 7:12a and My son in verse 14a imply that the seed of David would become the Son of God, that is, that a human seed would become a divine Son—Rom. 1:3-4.
7A The Pharisees said that the Christ was David's son, and the Lord asked them how David could call the Christ Lord when the Christ was his son—vv. 43-45.