The enormous wealth that allowed the Knights Templars to become deeply involved in castle building and entertaining most certainly did not come from farming, according to Sinclair.

Many of the Templar Knights were 'local' royality that had been dethroned by Rome. The only way to keep any part of their wealth was to pool it together under Templar security.

Because royalty all most always married royalty, the Templar Knights were mostly related in one way or another.