William unknown of Grandmesnil
Country and Region of Origin
France
Basse-Normandie (RE) Calvados (D)
Basse-Normandie (RE) Calvados (D)
Gender and Marital Statusa
Male
Family
brother: Ivo of Grandmesnil (First Crusader)
Brother: Aubrey of Grandmesnil (First Crusader)
Wife: Mabel, daughter of Robert Guiscard
Brother-in-law: Bohemond I (First Crusader, 1107-8 Crusader)
Crusades
Expedition
1st Crusade (1096-1099)
Contingent Leader
Byzantines
Probability of Participation
Certain
Actions
William took service with the Byzantines in 1094. He deserted from the crusade army during the siege of Antioch along with Stephen of Blois. (VE, p. 134.)
Sources
Kb, p. 166. GF, pp. 56-57. PT, p. 97. RA, p. 74. AA, pp. 304-305, 310-311. BB, p. 64. RC, p. 662. HP, p. 200. OV, vol. 5, p. 98. WT, pp. 312, 319, 321, 323.
