<http://schema.org/description>
"Robert, Duke of Normandy, the eldest son of William I, goes on the First Crusade, thus losing the crown of England first to his brother William II, then William&amp;amp;#39;s son Henry I"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mediastorehouse.com/robert-in-first-crusade/print/592227.html>