The Blessed Lands has felt the touch of the Shaw family in many many locations. Here is what we know about the Shaws and how they relate to one another.
Obsillard: A major historical figure, the patron of the Shaw family and a great paragon of darkness and chaos. The creator of the Obsillium.
Issac Shaw: Obsillard's son, one of the leaders of the Blessed Lands.
Isabelle Shaw: Obsillard's daughter and one of hte leaders of the Blessed Lands.
Martin Shaw: Obsillard's youngest son, current head of Brekskand. He appears to be a blonde haired young boy. Has a demonic familiar of some sort. Seems to have the ability to dominate minds using some sort of parasite.