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First Barons' War (1215–17)

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  • Gilbert de Gaunt, Earl of Lincoln (1180 - 1242)
    Medlands to the contrary, dating for him as son of Gunnora de Albini Brito Does. Not. Work. Supported barons against King John. constituted Earl of Lincoln by King Louis of France. Gilbert de Gant,...
  • William III "Brito" d'Aubigny, Lord of Belvoir, Surety of the Magna Carta (1146 - 1236)
    WILLIAM [III] de Albini Brito (-1236). The Rotuli de Dominabus of 1185 records “Matillis de Sainlis que fuit filia Roberti filii Ricardi et mater Willelmi de Albineio” and “terra sua in Hungertone et i...
  • Gilbert de Clare, 4th Earl of Hertford, 5th Earl of Gloucester, Surety of the Magna Carta (1182 - 1230)
    Gilbert de Clare, 5th Earl of Hertford (1180 – October 25, 1230) was the son of Richard de Clare, 4th Earl of Hertford, from whom he inherited the Clare estates, from his mother, Amice Fitz William, ...
  • Richard de Percy V, Magna Carta Surety (c.1170 - 1244)
    Richard de Percy Sir Richard de Percy (c. 1170-1244), 5th Baron Percy, was a Magnate from the North of England, and a participant in the First Barons' War.[1] He was the son of Agnes de Perci, suo ...
  • Hervé IV, Count of Nevers (1173 - 1223)
    From Medlands: HERVE [IV] de Donzy (-Château de Saint-Aignan 23 Jan 1222, bur Abbaye de Pontigny near Auxerre). “Guillelmus Guoet dominus de Giem” donated property to Rigny abbey, with the support of...

First Barons' War (1215–17)

The First Barons' War (1215–17) was a civil war in the Kingdom of England in which a group of rebellious barons, led by Robert Fitzwalter and supported by a French army under the future Louis VIII of France, made war on King John of England. The war resulted from the king's refusal to accept and abide by the Magna Carta he had sealed on 15 June 1215, and from the ambitions of the French prince, who dragged the war on after many of the rebel barons had made peace with John.


French invasion and 16-month occupation of England eventually repelled. Return to status quo ante bellum, with some monarchic concessions to the rebellious barons.

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John Lackland, King of England