A Holy land in the west?

What if the testament of Alfonso I of Aragon is honoured?

From Wiki:
He published a will leaving his kingdom to three autonomous religious orders based in Palestine and politically largely independent on the pope, the Knights Templars, the Hospitallers, and the Knights of the Holy Sepulchre.

Would this secure the survival of the Knights Templar? And what would the impact on the Crusader states be?
 
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