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In 1258 Nov 4, Johannes Maunsell, Thesaurarius Ebor (John Mansell; Mannsell) was granted, by Henry III, (In year 43 of his reign) a Royal licence to crenellate Seggewik (Sedgwick Castle)
Grant, by the counsel of the nobles of the council, to John Maunsell treasurer of York, that he may enclose and fortify his house {domum suam} of Seggewick in the county of Sussex, with ditches and a wall of stone and lime, and crenellate the same.
By the earls of Leicester and Gloucester and others of the council. (CPR)

The king to all persons, &c, — Know that by the advice of the Great Men (procerum) of our Council, we have granted on behalf of ourselves and our heirs to our beloved and faithful John Maunsell, Treasurer of York, that he may strengthen (firmare) his honse of Seggewik, in the County of Sussex, with fosses and a wall of stone and lime (fossatis et muro de petra et calce) and krenellate and fortity it (kernellare et infortiare) as may seem to him and his most expedient, without contradiction or impediment from us or our heirs, or of any person or of any other persons. In witness whereof, &c. Witness the King at Westminster, on the fourth day of November." (Pat. 43 Hen. IlI., m. 15.) (Blaauw)

Granted at Westminster. Grant by the earls of Leicester and Gloucester and others of
the council..


Licence to crenellate granted in 1258 and 1262. Parker did not associate this licence with Sedgwick Castle.

Original source is;

(In fact, the original source given is usually a transcription/translation of what are precious medieval documents not readily availably. It should be noted that these transcription/translations often date to the nineteenth or early twentieth centuries and that unwitting bias of transcribers may affect the translation. Care should also be taken to avoid giving modern meaning to the medieval use of certain stock words and terms. Licentia is best translated as 'freedom to' not 'permission'.)

Significant later sources are;

Mansel, John (d. 1265)
Mansel, John (d. 1265), administrator and royal councillor, is said by Matthew Paris to have been the son of a country priest.

Biographical source include;

More information about licences to crenellate can be found here.

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Record created by Philip Davis. This record last updated on Sunday, October 4, 2015.