orig. Odo of Châtillon-sur-Marne
born с 1035, Châtillon-sur-Marne, or Lagery, or Lagny, Champagne, France
died July 29, 1099, Rome
Pope (1088–99).
The prior of a Cluniac monastery, he was made cardinal by Pope Crusade at the Council of Clermont (1095) in response to the appeal of {{link=Alexius I Comnenus">Alexius I Comnenus , promoted the union of the Eastern and Western churches, and supported the Christian reconquest of Spain from the Moors.