Roger de Montbegon

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Arms of Roger de Montbegon, Lord of Hornby Castle

Roger de Montbegon (Roger de Mumbezon, Roger de Mont Begon) (died 1226) was a landowner in northern England (especially or particularly Lancashire), Baron of Hornby, and one of the Magna Carta sureties.

There is a scholarly debate about his place in the list of sureties. J. C. Holt[1] takes it that Matthew Paris made a mistake in replacing his name with 'Roger de Mowbray'. According to the record publicized by the National Society Magna Charta Dames and Barons, Roger abandoned the sureties and therefore Roger de Mowbray (younger brother of William de Mowbray, another surety) was substituted for him; this probably explains Matthew Paris' alleged error.[2][3]


  1. ^ Holt, James Clark (7 May 1992). Magna Carta (2 ed.). Cambridge University Press. p. 478. ISBN 9780521277785.
  2. ^ "Roger de Montbegon". National Society Magna Charta Dames and Barons. Retrieved 28 February 2013.
  3. ^  Tait, James (1894). "Mowbray, William de". In Lee, Sidney. Dictionary of National Biography. 39. London: Smith, Elder & Co. p. 238.

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