Contradiction with Matthew 16:19
While Isaiah 22:22 grants the key to the house of David with authority to open and shut, Matthew 16:19 gives Peter the keys of the kingdom of heaven with authority to bind and loose, suggesting a shift of authority from the house of David to Peter.
Matthew 16:19: And I will give unto thee the keys of the kingdom of heaven: and whatsoever thou shalt bind on earth shall be bound in heaven: and whatsoever thou shalt loose on earth shall be loosed in heaven.
Contradiction with Revelation 3:7
Isaiah 22:22 speaks of the key of the house of David given to Eliakim, but Revelation 3:7 attributes the key of David to Jesus, contradicting the singular assignment of its holder.
Revelation 3:7: And to the angel of the church in Philadelphia write; These things saith he that is holy, he that is true, he that hath the key of David, he that openeth, and no man shutteth; and shutteth, and no man openeth;
Contradiction with John 20:23
Isaiah 22:22 emphasizes control over physical entities, whereas John 20:23 focuses on the spiritual authority to forgive sins, showcasing different types of authority given by God.
John 20:23: Whose soever sins ye remit, they are remitted unto them; [and] whose soever [sins] ye retain, they are retained.