|  Ancestral Roots of Certain American Colonists |  | Originale | Seconde main | Directe | 
		
			|  Annales Cambriæ: The chronicles and Memorials of Great Britain and Ireland during the Middle Ages |  | Originale | Seconde main | Directe | 
		
			|  Annales Monastici |  | Originale | Seconde main | Directe | 
		
			|  Baronial Order of Magna Charta & Military Order of the Crusades |  | Originale | Seconde main | Directe | 
		
			|  Burke's Landed Gentry |  | Originale | Seconde main | Directe | 
		
			|  Burke's Peerage & Baronetage |  | Originale | Seconde main | Directe | 
		
			|  CELEBRATING THE LIFE OF WILLIAM MARSHAL, Cartmel Priory Founder's Day Lecture May 15th 2011 |  | Originale | Seconde main | Directe | 
		
			|  Chronicon Anglicanum |  | Originale | Seconde main | Directe | 
		
			|  Find a Grave: Sir William Marshal |  | Originale | Seconde main | Directe | 
		
			|  Foundation for Medieval Genealogy: WILLIAM Marshal, son of JOHN FitzGilbert "the Marshal" |  | Originale | Seconde main | Directe | 
		
			|  Gilbert and Richard de Clare, Earls of Pembroke, from Annuals and Antiquities, vol. 2, page 867 [See document in the Memories section] |  | Originale | Seconde main | Directe | 
		
			|  Gilbert and Richard de Clare, Earls of Pembroke, in Archeologia Cambrensis , 1991 Vol. 4, Appendix I [See document in the Memories section] |  | Originale | Seconde main | Directe | 
		
			|  Gilbert and Richard de Clare, Earls of Pembroke, in Burke's A Genealogical History of the Dormant, Abeyant, Forfeited and Extinct Peerages, pgs. 120-121 [See document in the Memories section] |  | Originale | Seconde main | Directe | 
		
			|  Heraldic Shields in Matthew Paris's 'Book of Additions.' |  | Originale | Seconde main | Directe | 
		
			|  Isabel de Clare, 4th Countess of Pembroke in Wikipedia ~https://en.wikipedia.org/wiki/Isabel_de_Clare,_4th_Countess_of_Pembroke [See document in the Memories section] |  | Originale | Seconde main | Directe | 
		
			|  Magna Charta Barons and Their Descendants |  | Originale | Seconde main | Directe | 
		
			|  Pedigree of Richard FitzGilbert de Clare in the Annuals of Chepstow Castle, pg. 266 [See document in the memories section] |  | Originale | Seconde main | Directe | 
		
			|  Richard Strongbow de Clare, Earl of Pembroke, in Cokayne's Complete Peerage, Vol. 1, pg. ix [See document in the Memories section] |  | Originale | Seconde main | Directe | 
		
			|  The Children of William Marshal and Isabel de Clare |  | Originale | Seconde main | Directe | 
		
			|  The Magna Charta Sureties 1215 |  | Originale | Seconde main | Directe | 
		
			|  The Royal Ancestry Bible |  | Originale | Seconde main | Directe | 
		
			|  Wikipedia -William Marshal |  | Originale | Seconde main | Directe | 
		
			|  Wikiwand: Temple Church |  | Originale | Seconde main | Directe | 
		
			|  Wikiwand: William Marshal, 1st Earl of Pembroke |  | Originale | Seconde main | Directe | 
		
			|  William Marshal - The Flower of Chivalry |  | Originale | Seconde main | Directe | 
		
			|  William Marshal, "Find A Grave Index" |  | Originale | Seconde main | Directe | 
		
			|  William Marshal, 1st earl of Pembroke, Encyclopedia Britannica |  | Originale | Seconde main | Directe | 
		
			|  William Marshal, 1st Earl of Pembroke, Excerpts from Wikipedia ~https://en.wikipedia.org/wiki/William_Marshal,_1st_Earl_of_Pembroke [See document in the Memories section] |  | Originale | Seconde main | Directe | 
		
			|  William Marshal, Earl of Pembroke, in Archeologia Cambrensis, 1991 Vol. 4, Pg. 93 [See document in the Memories section] |  | Originale | Seconde main | Directe | 
		
			|  William Marshal, Earl of Pembroke, in the Battle Abbey Roll, Vol. 3, pg. 244-245 [See document in the memories section] |  | Originale | Seconde main | Directe | 
		
			|  William Marshall in James E. Doyle's Official Baronage |  | Originale | Seconde main | Directe | 
		
			|  William Marshall in Sir Bernard Burke's Dormant & Extinct Peerage |  | Originale | Seconde main | Directe |