[quote=@Kho]
<Snipped quote by Some BBeastian Post>

I find it very interesting that they call on Belruarc also. How do the Rovaick know of and worship Belruarc? Does it have to do with Sularn's Vow?
[/quote]

Vestec informed them about all that had happened up to the point of their creation when they were created. This was before Belurac became human.