Ancestry of
Isaac Treat

(1701–1763)

Gilbert de Clare

View famous kin of Gilbert de Clare

• • 15th Great-grandfather of Isaac Treat — 18th Generation
  • Ahnentafel No:
  • 223608 
  • Father:
  • Richard de Clare 
  • Mother:
  • Amice of Gloucester   
  • Birth Date:
  • ABT 1180 
  • Birth Location:
  • Hertford, Hertfordshire, England 
  • Christening Date:
  •  
  • Christening Location:
  •  
  • Death Date:
  • 25 Oct 1230 
  • Death Location:
  • Penrose, Brittany, France 
  • Burial Date:
  •  
  • Burial Location:
  •  
  • Spouse Name:
  • Isabel Marshal
  • Marriage Date:
  • 9 Oct 1217 
  • Marriage Location:
  • Tewkesbury Abbey, Gloucestershire, England 
  • Children:
  
  

  Richard de Clare (Ahnentafel No:111804 )

  Isabella de Clare

  • Notes: 

  • Magna Carta Surety

    7th Earl of Clare, Earl of Hertford and Gloucester

• Sources for Gilbert de Clare

  • ¹ Weis, Frederick Lewis, et. al., Ancestral Roots of Certain American Colonists Who Came to America Before 1700, 8th Edition, Baltimore, Maryland: Genealogical Publishing Company (2004), 71.
  • ² Weis, Frederick Lewis, et. al., The Magna Charta Sureties, 1215: The Barons Named in the Magna Charta, 1215 and Some of their . . ., 5th edition, Baltimore, Maryland: Genealogical Publishing Co., Inc. (Third Printing, 2006), 185.
  • ³ Wikipedia, "Gilbert de Clare, 4th Earl of Hertford", _4th_Earl_of_Hertford, (accessed 02/23/2010).
  • ⁴ Wurts, John S., Magna Charta, New York: Brookfield Publishing Company (1893), 1594.
  • ⁵ Wurts, John S., Magna Charta, New York: Brookfield Publishing Company (1942), 192.