Also Judas Thadeous has no link to Judas Iscariot, the traitor. For DaVinci to paint himself in is not at all unusual...(Rembrandt did it too, along with various other masters) very clever, yes....cutting edge, yes...OK then, meet Leonardo.
And having a knot symbolizing his family sign in the painting? What does that have to do with the Cathari?
It's a conspiracy knot!