After answering many questions, most of them from opponents, Jesus asked a question of his own (see 8:27; Matthew 17:25; 21:31; Luke 10:36). The Messiah was commonly called the Son of David because of passages like Isaiah 9:2–7; 11:1–5; Jeremiah 23:5–6; 33:15–16; Ezekiel 34:23–24; 37:24–28.
Jesus did not deny that the Messiah was a descendant of David (Mark 10:47–48; 11:10; see Romans 1:3–4). Instead, he showed that this title alone was not enough to describe the Messiah. The Messiah is much greater than only a son of David.