"mansum suum"
Although this document has been considered by some as a licence to crenellate the current opinion rejects this as a licence to crenellate.
Although Parker list this separately from the licence to the same place granted to Adam le Bret, at the request of Alice de Leyegrave, I can not find a separate entry in the rolls and I conclude that somehow Parker has managed to duplicate the entry.
Significant later source are;
More details about licences to crenellate can be found here.
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