sentences:  Bethune's standing as a bishop known for his piety and independence of the king helped persuade Maurice that the homage was canonical.Sometime after Stephen was captured by the Empress' forces in 1141, Bethune switched sides, and he was with the Empress Matilda at Winchester on 4 March 1141, when Matilda claimed the throne of England.He also was present at the council that proclaimed Matilda "lady of the English" shortly thereafter.