Assertion: henry | /r/CapableOf | help william
Facets:
value: to quell his rebellious vassals
type: PURPOSE
Source sentences:
text: Henry helped William (the future William I of England), Robert’s successor as duke of Normandy, to quell his rebellious vassals at the Battle of Val-aux-Dunes (or Val-ès-Dunes; 1047), but he was thereafter usually at war with him—a notable defeat for the king being that at Varaville (1058).