sentences:  He married Isabel, daughter of Robert de Beaumont, 2nd Earl of Leicester.He was prominent in The Anarchy, fighting for Stephen of England in 1141 at the Battle of Lincoln.He continued to support Stephen's side; R. H. C. Davis calls him 'staunch' and 'consistently loyal' and surmises that Simon calculated that if the Empress Matilda won, his earldom of Northampton would be taken over by David of Scotland.