In 1200 June 6, William Briwerr (William Briwere; William Brewer) was supposedly granted, by John, (In year 2 of his reign) a Royal licence to crenellate Stoke (Stokebridge)

"King writes "to build (firmare) inter alia a castle in Hampshire 'scilicet apud Esleg'sive apud Stoke'."

Granted at Argentan (in Normandy),

Although this document has been considered by some as a licence to crenellate the current opinion rejects this as a licence to crenellate.

King writes "a multiple licence granted to William Briwerr to build (firmare) inter alia a castle in Hampshire 'scilicet apud Esleg'sive apud Stoke'. The places are identified as Ashley and Stockbridge; no castle is known near the latter." This reads to me as Ashley by Stoke, identifying one site and I am unclear as to why King seems to imply two sites. This is rejected, by me, as a licence for a castle in Stockbridge.

Original source is

• Hardy, T.D. (ed.), 1837, Rotuli Chartarum in Turri Londinensi asservati 1199-1216 (Record Commission) p70

(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.)

Significant later source are;

• King, D.J.C., 1983, Castellarium Anglicanum (London: Kraus) Vol1 p197n1

Brewer , William (d. 1226)

Brewer , William (d. 1226), Sheriff of numerous counties, Baron of Bampton, Warden of the cornish tin mines, justice etc. 'was one of the half dozen or so men closest to the centre of power in England' (Turner, 71)
Anyone looking for an instance of the exemplary royal servant of the middle ages could hardly do better than to examine the life of William Brewer. Aptly described by one modern writer as a ‘die-hard Angevin’, his career, spanning fifty years, was a model of loyalty and usefulness. He served four Angevin kings, among them King John, who is reported to have attributed to Brewer the ability to know his master's mind; it was John, above all, who made Brewer extraordinarily wealthy, and by the time of his death he was the master of some sixty knights' fees focused in the south-west, with a newly created caput at Bridgwater, Somerset. (Church)

Biographical source include;

• S. D. Church, ‘Brewer , William (d. 1226)’, Oxford Dictionary of National Biography, Oxford University Press, 2004 [http://www.oxforddnb.com/view/article/3369, accessed 19 Nov 2007]
  Turner, R.V., 1988, ‘William Briwerre’, in R. V. Turner, Men raised from the dust: administrative service and upward mobility in Angevin England p71–90

More details about licences to crenellate can be found here.

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