About 1049 he decided to enter the church , turning away from his knightly duties .
According to Orderic , William originally trained as a knight , which gave him a much greater insight into the details of war than the typical medieval clerical writer .
About 1049 William decided to enter the church , turning away from William 's knightly duties .
According to Orderic , William originally trained as a knight , which gave him a much greater insight into the details of war than the typical medieval clerical writer .