"Licence, granted at the instance of Alice de la Leyegrave, for Adam le Bret to crenellate his dwelling place (mansum suum) at Torveston, co. Somerset,"
Granted at Westminster, by King.
Alice de Leygrave was the King's wet nurse.
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.)
Significant later source are;
More details about licences to crenellate can be found here.
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