The Knights Templar have connections to the Freemasons as well. The rebellion of 1381 in England set the first connection with the Templars and the Masons. The rebels set out to burn buildings belonging to the Knights Hospitaller and kill their members. The Knights Hospitaller were involved in the Templar's fall.
A good book for this subject is called, "Born in Blood" by John Robinson. Robinson is not a Freemason himself. He takes an open-minded approach to the organization and history.
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