Isabel de Clare, 4th Countess of Pembroke
Isabel de Clare, suo jure 4th Countess of Pembroke and Striguil, was an Anglo-Norman and Irish noblewoman descended from Aoife Macmurrough and Richard de Clare and one of the wealthiest heiresses in Wales and Ireland. She was the wife of William Marshal, 1st Earl of Pembroke, who served three successive kings as Marshal of England. Her marriage had been arranged by King Richard I.
Daniel Maclise's painting of the marriage of Isabel's parents, Richard de Clare, 2nd Earl of Pembroke, and his wife Aoife of Leinster in August 1170, the day after the capture of Waterford.
Tintern Abbey, the burial place of Isabel de Clare
William Marshal, 1st Earl of Pembroke
William Marshal, 1st Earl of Pembroke, also called William the Marshal, was an Anglo-Norman soldier and statesman. He served five English kings: Henry II and his son and de jure co-ruler Young King Henry, Richard I, John, and finally John's son Henry III.
Possible tomb effigy of William Marshal in Temple Church, London
The Château de Tancarville in Normandy, where William Marshal began his training as a knight
Modern Memorial in Cartmel Priory, Cumbria
A 13th-century depiction of the Second Battle of Lincoln, which occurred at Lincoln Castle on 20 May 1217; the illustration shows the death of Thomas du Perche, the Comte de la Perche