Question: The Treaty of Devol made in 1108 codified what leader's defeat in the First Crusade?
Sentence (from "Warner of Grez"): Warner of Grez (also Werner or Garnier of Grey or Gray) (died July 23, 1100) Count of Grez, was a French nobleman from Grez-Doiceau, currently in Walloon Brabant in Belgium.
Relevant evidence: No