How do we know that the King of Kings is Jesus?

The assertion that Jesus is the King of Kings is deeply rooted in Scripture. Prophecies from the Old Testament, such as those found in Isaiah 9:6-7, speak of a child born who will bear the government on His shoulders and who will reign on David's throne. Additionally, in the New Testament, Jesus is referred to as the "Son of David" (Matthew 1:1), affirming His rightful claim to David's lineage and kingship. In Revelation 19:16, it is explicitly stated that Jesus has the title "King of Kings and Lord of Lords," confirming His authority and sovereign rule over all. Thus, both Old and New Testament scriptures testify to Christ’s eternal kingship.