 In any event, the title Earl was re-created for her husband as her consort, the famous Sir William Marshal, son of John the Marshal, by Sibylle, the sister of Patrick, Earl of Salisbury.In August 1189, at the age of 43, William Marshal, held by many to be the greatest knight in Christendom, was given the hand of Isabel de Clare, and, in 1199, was created the 1st Earl of Pembroke by King John.Although he had previously served Richard's father, Henry II, against Richard's rebellions, Richard confirmed the old King's licence for his marriage with the heiress of Strigul and Pembroke.