[quote=Jinxer]
Mmm, you're more likely to have 'heresies' such as Zoroastrians or Monophysites in Jerusalem than Tengri or Norse pagans. Jews are even more likely since they were always a lucrative source of taxation for their overlords.
[/quote]

Ahh, forgive me. I'd forgotten them. I remember finding a good deal about them in my Crusades reading.