King James I learned, knew, and read Greek. In his explanation on Christ's crown of thorns that the Romans gave to him/Jesus Christ before Jesus Christ's crucifixion, he/King James I shows that he did read the Greek New Testament, which he calls "the greeke text", and explains the ancient practice of the king's diadems.

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(The Workes of the Most High and Mightie Prince, Iames, A Paterne for a King' Inaguation, Pages 611-612 [Source 1 and Source 2])

𝕋𝕙𝕖 ℝ𝕖𝕒𝕝 𝕂𝕚𝕟𝕘 𝕁𝕒𝕞𝕖𝕤 𝕀