The Messiah would have the key of David.
OT Prophecy NT Fulfillment
Isaiah 22:22
"And the key of the house of David will I lay upon his shoulder; so he shall open, and none shall shut; and he shall shut, and none shall open."
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;"

Tanakh - Neviim - Isaiah 22:22

"And the key of the house of David will I lay upon his shoulder; and he shall open, and none shall shut; and he shall shut, and none shall open."

 Hebrew OT - Isaiah 22:22

רגס ןיאו חתפו ומכש-לע דוד-תיב חתפמ יתתנו
.חתפ ןיאו רגסו

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