William III unknown of Warenne

Country and Region of Origin

England
Surrey (CO)

Specific Title

Count of Warenne and Earl of Surrey

Role

Earl (lay)

Gender and Marital Statusa

Male

Family

half-brother: Waleran II of Meulan (Second Crusader). Uncle: Simon of Vermandois, bishop of Noyen-Tournai Mother: Isabel of Vermandois, daughter of Hugh of Vermandois (First Crusader) Wife: Adelaide of Burgundy Cousin: Drogo II of Mouchy-le-Châtel (Second Crusader) Aunt: Edith of Warenne, who married Gerard of Gournay-en-Bray (First Crusader) and Drogo I of Mouchy-le-Châtel (First Crusader)

Crusades

Expedition

2nd Crusade (1147-1149)

Contingent Leader

Louis VII of France

Probability of Participation

Certain

Consequences of Expedition

Died

Actions

William took the cross at Vézelay, and died on Mount Cadmus.

Sources

'Historia Gloriosi Regis Ludovici VII', RHGF, vol. 12 (Paris, 1877), p. 126. J. Riley-Smith, 'Family Traditions and Participation in the Second Crusade', The Second Crusade and the Cistercians, ed. M. Gervers (New York, 1992), p. 103.