I would say the Order of the Knight's Templar took over the Hospitallers as can be seen in the change from the white Maltese Cross on a black background to red then finally being overlaid with the George Cross.

It would appear that most of the Templars along with their wealth ended up in Switzerland founding the secretive banking system that was their hallmark in the 13th century. Other places where they may be found include Campione d'Italia, Denmark, England, and Monaco.

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I would expect to see involvement in Greece, Liberia, and Malta.

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