"Licence for Lewis Grevell, his heirs and assigns to build a new mansion house in their Manor of Mylcote, C. Warwick, to embattle the said house and to call it Mountgrevell. Also licence to impark and enclose their Manor of Weston upon Avon Co. Gloucester..."
Granted at Westminster, by p.s..
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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