[notakio]

They are also historically credited with inventing usury, so presumably yes. This describes the situation fairly accurately: https://thetemplarknight.com/2010/12/22/templar-usury/

Essentially, the Roman Catholic Church turned a blind eye to the Templars usury, largely because of the value provided by the Templars in enabling an endless stream of warriors for Christendom. They did set some arbitrary limits on the amounts that were permissible, but didn't have much in the way of methods of auditing or enforcement.

[bazoom42]

Surely they didn’t invent ursury if it was already forbidden by mosaic law?